Answered: Perform the following calculation and express the answers in scientific notation using significant figures. (7.45 x 104) – (3.2 x 10-7).

Chemistry

10th Edition

ISBN: 9781305957404

Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher: Cengage Learning

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Question

I need help on middle problem. Directions shown in picture attached

Perform the following calculation and express the answers in scientific
notation using significant figures.
(7.45 x 104) – (3.2 x 10-7).

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