le0leslyrbriamac le0leslyrbriamac

20-02-2016
Mathematics

Answered

What is the product written in scientific notation?

(2.1 x 10–2)(3.2 x 10–4)

A6.72 x 108
B6.72 x 10–6
C5.3 x 102
D5.3 x 10–6

Verified Answer :

Anonymous Anonymous

20-02-2016

First, you multiply 2.1 by 3.2, which gives you the answer of 6.72. Then, you multiply 10-2 by 10-4. One rule about multiplying exponents, you just add the exponents. So 10-2 x 10-4 = 10-6. Finally you get the answer of C. 6.72 x 10-6.

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