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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…

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…
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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

User Karim Mtl
by
8.2k points

2 Answers

5 votes

Answer:

D. 1 x 10^28

Step-by-step explanation:

User Dave Albert
by
7.3k points
5 votes
The answer is D. The 3 and 4 are a single digit so your answer should be as well.
User Dhblah
by
8.0k points
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