hello! send help please. thanks. Provide the answers with proper number of significant figures in the following operations.1. 20.1- 28.28 ÷ 5.7 =%3D2. 2.40 + (4.259 x 0.00710) =3. -log (6.267 x 10-5) + 7.20 =%3D4. antilog (9.78) =%3D5. Average of the following data:30.2 mM, 30.45 mM, 30.38 mM, 3.05 x 10-2 M

20.1 - 28.28 ÷ 5.7 2.40 + (4.259 × 0.00710 ) -log ( 6.267 × 10-5 ) + 7.20 antilog (9.78) 30.2…

Provide the answers with proper number of significant figures in the following operations. 1. 20.1 28.28 5.7 = 2. 2.40 + (4.259 × 0.00710) = 3. -log (6.267 x 10-5) + 7.20 = 4. antilog (9.78) = 5. Average of the following data: 30.2 mM, 30.45 mM, 30.38 mM, 3.05 x 102 M

Provide the answers with proper number of significant figures in the following operations. 1. 20.1 28.28 5.7 = 2. 2.40 + (4.259 × 0.00710) = 3. -log (6.267 x 10-5) + 7.20 = 4. antilog (9.78) = 5. Average of the following data: 30.2 mM, 30.45 mM, 30.38 mM, 3.05 x 102 M

Introductory Chemistry For Today

8th Edition

ISBN:9781285644561

Author:Seager

Publisher:Seager

Chapter1: Matter, Measurements, And Calculations

Section: Chapter Questions

Problem 1.79E

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Concept explainers

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.

Question

hello! send help please. thanks.

Provide the answers with proper number of significant figures in the following operations.
1. 20.1- 28.28 ÷ 5.7 =
%3D
2. 2.40 + (4.259 x 0.00710) =
3. -log (6.267 x 10-5) + 7.20 =
%3D
4. antilog (9.78) =
%3D
5. Average of the following data:
30.2 mM, 30.45 mM, 30.38 mM, 3.05 x 10-2 M

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