Answer
The answer is 2.7$\times$$10^{-8}$
Work Step by Step
(9$\times$$10^{7}$)(3$\times$$10^{-16}$)
= (27$\times$$10^{7-16}$)
= 27$\times$$10^{-9}$
= 2.7$\times$$10^{-9+1}$
= 2.7$\times$$10^{-8}$
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