lillylira13
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Express in scientific notation. Choose the answer with the proper number of significant figures.

(4x10^5)(6-10^23) over 1.2x10^2 = _____

20. x 10^26
10 x 10^26
2 x 10^27

Answer :

answer 3

Explanation:

when you multiply you round to the lowest number of sig figs

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