Compute:
A)3 $\times$ 10^-6
B)5 $\times$ 10⁶
C)5 $\times$ 10^-12
D)3

Multiple Choice

Compute:

A) 3.3 $\times$ 10^-6
B) 5.1 $\times$ 10⁶
C) 5.1 $\times$ 10^-12
D) 3.3 $\times$ 10^-1
E) None of these is correct.