(a)4. Using scientific notation, solve the following:(a) 8 x 104 cm x 105(b) 6.4 x 106 + 8.0 x 102(c) 4 x 106 cm x 4 x 107 cm(d) 30 x 106+ 4 x 106

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Answered: 4. Using scientific notation, solve the…

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter1: A Physics Toolkit

Section: Chapter Questions

Problem 39A

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A surveyor measures the distance across a straight river by the following method: starting directly across from a tree on the opposite bank, he walks x = 1.00 102 m along the riverbank to establish a baseline. Then he sights across to the tree. The angle from his baseline lo the tree is = 35.0 (Fig. P1.53). How wide is the river? Figure P1.53
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In general, when a derived unit becomes complicated (involves too many standard units), what is done?
A surveyor measures the distance across a straight river by the following method: starting directly across from a tree on the opposite bank, he walks x = 1.00 102 m along the riverbank to establish a baseline. Then he sights across to the tree. The angle from his baseline lo the tree is = 35.0 (Fig. P1.53). How wide is the river? Figure P1.53
How many significant figures does each number have? If the number is exact or if the number of significant figures is ambiguous, explain. a. 12 in the formula r12d, where r is radius and d is diameter b. 105 c. 150 d. 1.50 102 e. 1.5 102 f. 0.15 103
American football is played on a 100-yd-long field, excluding the end zones. How long is the field in meters? (Assume that 1 equals 3.281 feet.)
The Hoover Dam Bridge connecting Arizona and Nevada opened in October 2010 ( Fig. 1.18). It is the highest and longest arched concrete bridge in the Western Hemisphere, rising 890 ft above the Colorado River and extending 1900 ft in length. What are these dimensions in meters? Figure 1.18 High and Wide An aerial view of the new four-lane Hoover Dam Bridge between Arizona and Nevada with the Colorado River beneath (as seen from behind the dam). See Exercise 16.

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4. Using scientific notation, solve the following: (a) 8 x 104 cm x 105 (b) 6.4 x 106 + 8.0 x 102 (c) 4x 10°cm x 4 x 107 cm (d) 30x10-6+4 x 106