Express in scientific notation. Choose the answer with the proper number of significant figures. (3 x 10^4) (4 x 10^23) = ___ A. 12^27 B. 12 x 10^27 C. 10 x 10^27 D. 1 x 10^28 I thought it was B but that's

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asked Jun 24, 2019 205k views

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Express in scientific notation. Choose the answer with the proper number of significant figures.

(3 x 10^4) (4 x 10^23) = ___

A. 12^27
B. 12 x 10^27
C. 10 x 10^27
D. 1 x 10^28

I thought it was B but that's incorrect

Chemistry
middle-school

Karim Mtl asked

by Karim Mtl

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2 Answers

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Answer:

D. 1 x 10^28

Step-by-step explanation:

Dave Albert answered Jun 24, 2019

by Dave Albert

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The answer is D. The 3 and 4 are a single digit so your answer should be as well.

Dhblah answered Jun 29, 2019

by Dhblah

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