how many times larger is 9x10^-8 than 3x10^12
A. 6x10^-4
B. 3x10^3
C. 6x10^-3
D. 3x10^4
The difference in exponents is 12 - (-8) = 20.
So, \( 9x10^{-8} \) is \(10^{20}\) times larger than \(3x10^{12}\).
Therefore, the answer is D. \( 3x10^4 \)