What is the product? (5*10^-7)*(3.2*10^12)

A 1.6*10^-84
B 1.6^*10^-5
C 1.6*10^5
D 1.6*10^6

I thought it would be 16.0*10^5 but after moving the decimal one place to the left I thought it would be 1.6*10^4 but it isn't an option

NEVERMIND GOT IT