I submitted this question just a bit ago and I received an answer that totally makes sense ...... 2.5 x 10^-9Yet my textbook is saying this answer is incorrect. Can you help me? Use your calculator to determine the answer to the following calculation:1.0×10–154.2×10-7Express the answer in scientific notation, O× 10º, using two significant figures.

The calculation is given below:

Answered: Use your calculator to determine the…

Use your calculator to determine the answer to the following calculation: 1.0×10–15 4.2×10-7 Express the answer in scientific notation, O× 10º, using two significant figures.

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 38E: Perform the following mathematical operations, and express the result to the correct number of...

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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.

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I submitted this question just a bit ago and I received an answer that totally makes sense ...... 2.5 x 10^-9

Yet my textbook is saying this answer is incorrect. Can you help me?

Use your calculator to determine the answer to the following calculation:
1.0×10–15
4.2×10-7
Express the answer in scientific notation, O× 10º, using two significant figures.

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