How many times larger is 9x10^-8 than 3x10^-12?

A. 3x10^4
B. 3x10^3
C. 6x10^-3
D. 6x10^-4

To find out how many times larger 9x10^-8 is than 3x10^-12, we can divide the two numbers:

(9x10^-8) / (3x10^-12) = 3x10^-8 / 10^-12 = 3x10^(12-8) = 3x10^4

Therefore, the answer is:

A. 3x10^4