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HunterCoco
HunterCoco HunterCoco
  • 27-01-2015
  • Mathematics
Answered

How many times smaller is 3 × 10^-8 than 6 × 10^-3?


A.20,000,000


B.2,000,000


C.200,000


D.20,000

Verified Answer :

naǫ
naǫ naǫ
  • 27-01-2015

\(\frac{6 \times 10^{-3}}{3 \times 10^{-8}}=\frac{6}{3} \times \frac{10^{-3}}{10^{-8}}=2 \times 10^{-3-(-8)}=2 \times 10^{-3+8}=2 \times 10^5= \\ \\ =2 00 ,000\)

The answer is C.

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