For each number, underline the zeroes that are significant and draw an x through the zeroes that are not.a. 180,701 mi                                        b. 0.001040 mc. 0.005710 km                                     d. 90,201 m

Q: 58. Perform each calculation to the correct number of significantfigures.(a) 89.3 * 77.0 * 0.08(b)…

A: Significant figures are the digits of a number that are meaningful in terms of accuracy or…

Q: A lab procedure requires 2.35g of ethyl alcahol to be dispensed with a syringe. Show a calculation…

A:

Q: a. 25.5 m to km b. 36.3 km to m c. 487 kg tog

A: Since you have posted a  question with sub-parts , we are entitled to answer the first three…

Q: 1. A graduated cylinder is filled with 11.21 mL of water. A student adds 10 coins to the graduated…

A:

Q: Convert 7.5 * 1023 cm to mm.

A: The given expression is as follows: =7.5×1023 =7.5102×102×102 =7959060 cm

Q: I’m having trouble with a homework problem.A graduated cylinder contains 155mL of water. A 15.0-g…

A: The problem asks for the final level (volume) of water in the cyllinder after addition of iron and…

Q: 1.52 Underline the significant zeros in the following numbers: (a) 0.41; (b) 0.041; (c) 0.0410; (d)…

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Q: decades

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Q: Convert 7.13 × 105 km to units of meters.  _____× 10__ m

A: We know that  1 kilometres = 1000 meter = 103 meter

Q: 1. Are the zeros in these numbers significant? Write yes or no. (а) 503 (b) 0.007 (c) 4200 (d)…

A:

Q: 42.8 grams of zinc shot is added to 15.8 ml of water in a graduated cylinder. the water level rises…

A:

Q: Write the numbers in scientific notation. 673.5 673.5 = x 10° 0.034 0.034 = x 10 b =

A: The numbers given are 673.5 and 0.034.

Q: A solid metal sphere has a volume of 4.2ft^3 the mass of the sphere is 155 lb find the density of…

A:

Q: A substance has a known density of 7.81 g/mL. A large piece of it is measured, and the volume is…

A: Here we use the formula   d = m/v.  Where d= density, m= mass,…

Q: 1. Which area is greater than 100 ft²? A) an 8 ft. × 8 ft. square B) a rectangle with an area of…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Find the mass of 1.00L of water in units of kg (use the density of water = 1.00g/mL). How do I…

A: Givenmass of water=? (in kg)volume of water=1.00L =1000 mLdensity of water=1 g/mL

Q: 11. 22.4 kg/L to dag/mL 12. 0.74 miles/min to dm/sec 13. 1.42 g/cm² to mg/mm?

A: Since you asked multiple questions so as per Q&A guidelines of portal I solve first three parts…

Q: Jerry Altuve is a baseball player for the yankees. An Altuve is equivalent to his height, which is…

A: Conversion of milliliter to meters and meters to Altuve is

Q: A racetrack measures 1.0000 x 103 meters. A racecar completes a lap of this track in 20.4 seconds.…

A: Given: Distance = 1.0000×103 meters Time = 20.4 seconds

Q: An astronaut on the moon places a package on a scale and finds its weight to be 19 N. (a) What…

A: On the moon, acceleration due to gravity is (gmoon)= 1.63m/s2 We know        F= m ×(gmoon)   Given…

Q: For each number, underline the zeroes that are significant and draw an x through the zeroes that are…

A: For each number, underline the zeroes that are significant and draw an x through the zeroes that are…

Q: 02 The exponential notation of 385,500 to one significant figure is: A. 3.8x 10 B.3.8x 10 C3 10…

A: Scientific notation: Scientific notation or exponential is a way of expressing numbers in decimal…

Q: 0.00050 L How many significant digits are there in this number? Select one: O a. а. 1 O b. 2 Ос. 3 O…

A: The significant figures of a given number are those significant or important digits, which convey…

Q: A jogger runs a mile in 13 minutes. Calculate this speed in meters/sec. (1 mile = 1.609 km) m/sec…

A: Given : Distance travelled by jogger = 1 mile  Time taken = 13 mins

Q: Which laboratory measurement is expressed to the correct number of significant figures? O 9.5011 °C…

A: The given value of temperature on the thermometer is 9.5011°C, time is 60 on tenths of the second…

Q: Convert    *15.00000 mi into cm   * 0.30000 qt into μL   * 16.000 inches into m

A: 1 mi = 160934 cm1 qt = 946352.946 microliter1 inch = 0.0254 m

Q: It is important that scientists use units that are understood on a global level. These units are…

A: The International System of Units (SI) is a series of units that are accepted and used throughout…

Q: . A fighter jet must reach a speed of 62 m/s to take off from the deck of an aircraft carrier.…

A: Since, for conversion of m s-1 to miles s-1, 1 mile =1609 m 1hour=3600 s then,

Q: A physical chemist measures the temperature T inside a vacuum chamber. Here is the result. T=-21.8…

A: Given, Temperature, T = -21.8 °C The temperature value in S.I units is :

Q: The density of titanium is 4507kg m^-3  I only need help with finding the density of titanium in…

A:

Q: Which area is greater than 100 ft?? (yes, that means converting all of them to feet in order to know…

A: Since you have posted multiple question, we are entitled to answer the first only.

Q: • 4. 8.59 x10³dm = dam %3D • 5. 7200mA to kA • 6. 7.53x104 um to m

A:

Q: Convert -469 Fahrenheit (F) to Celsius and Kelvin scales. Select one: O a.-883 °C,-611 K Ob.-273 °C,…

A: To convert Fahrenheit to celcius we have to use the formula  °C = (5÷9)×(F-32)  we have given that…

Q: A slow jogger runs a mile in 13 min. Calculate thespeed in (a) in/s, (b) m/min, (c) km/h (1 mi =…

A: Speed is defined as distance travelled per unit time. Speed = DistanceTime   Now, a jogger runs 1…

Q: 3.8 Km/s to m/year   25m/s to miles/hr   8.24 g/cm^2 to mg/mm^2

A: The given conversions are performed in step two.

Q: A block has a mass of 4.287 g and a volume of 126.9 cm3. Calculate the density in g/cm3.

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Q: 29.48 meters to kilometers

A: The conversion of quantity from one unit to another unit is known as unit conversion. During the…

Q: (a) Multiply 2.334 cm and 0.320 cm.(b) Divide 55.8752 m by 56.53 s.

A: (a) Multiply 2.334 cm and 0.320 cm. Since the number of significant digits in 2.334 cm is 4 and in…

Q: 6. 1.23 x 104 is equal to A. 0.0000123 B. 0.000123 C. 1.230000 D. 123000 E. 1230000

A: 1.23 × 10-4 is equal to

Q: (a) 8.43 cm to millimeters (b) 2.41 × 10² cm to meters (c) 294.5 nm to centimeters

A: Since you have posted multiple questions with sub-parts , we are entitled to answer the first three…

Q: A metal cube has a mass of 0.112 kg is dropped into a graduated cylinder containing 0.030 L of…

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Q: a. When 12.12 and 86.8 are added, the answer should be based on # Enter the answer with the correct…

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Q: 5) What is the SI unit for length? A) kilometer B) meter C) millimeter 6) What is the SI unit for…

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Q: 11. 22.4 kg/L to dag/mL 12. 0.74 miles/min to dm/sec 13. 1.42 g/cm to mg/mm? 14. 10095 ft/s to…

A:

Q: The speed of light in a vacuum is 2.998×108 m/s. Calculate its speed in miles per hour (miles/h).

A: Meter and miles are some common units of distance. Similarly, hours and seconds are units of time.…

Q: 1. The weight of a rock is measured to be 0.074 lbs. After placing the rock in a graduated cylinder…

A: Here we have given a rock with its mass and volume.  Density = mass/volume

Q: Conversions: follow the same format in the image provided and answers must be in scientific…

A: Conversion of the given measurement ---

Q: Can you help me understand conversions?  I am trying to convert 55.p miles/hour to meters/sec. I was…

A: 55 miles/hour is to be converted into meters/sec.

Q: Convert 0.00260 centimeters into nanometers. C. d. Convert 23.1 °F into °C. Convert 48 miles per…

A: " Since you have asked more than 1 question in one question itself, only first three will be…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.