What is the product of 3.4 × 10−14 and 1.8 × 10^28?
A)6.12 × 10^14
B9.4 × 10^14
C5.2 × 10^42
D)6.12 × 10^42
A)6.12 × 10^14
B9.4 × 10^14
C5.2 × 10^42