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12-01-2016
Mathematics

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Miranda is adding the numbers below. 2.9 times 10^10 + 5.35 times 10^10 What is the sum written in scientific notation?
A. 8.25 times 10^10

B. 8.25 times 10^20

C. 82.5 times 10^11

D. 82.5 times 10^-11

Respuesta :

Billymkhoi Billymkhoi

12-01-2016

2.9*10^10+ 5.35*10^10
= (2.9+ 5.35)*10^10 (distributive property)
= 8.25*10^10

The correct answer is A. 8.25 times 10^10~

Answer Link

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