\((3\cdot 10^{20})(3\cdot 10^{-5})=\)
A. \(9\cdot 10^{-100}\)
B. \(1\cdot 10^{-4}\)
C. \(9\cdot 10^{-4}\)
D. \(1\cdot 10^{15}\)
E. \(9\cdot 10^{15}\)
Answer: E
Source: Magoosh
\((3\cdot 10^{20})(3\cdot 10^{-5})=\)
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Solution:
Simplifying, we have:
(3 x 3) x (10^20 x 10^(-5))
9 x 10^15
Answer: E
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