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20-02-2016
Mathematics

contestada

What is the product written in scientific notation?
(2.1 x 10–2)(3.2 x 10–4)
a. 6.72 x 108
b. 6.72 x 10–6
c. 5.3 x 102
d. 5.3 x 10–6

Respuesta :

Аноним Аноним

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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