Question

Which of these is correct?(1 point)
Responses

A. (4.6×10^5)(2.1×10^4)=2.5×10

B. (2.9×10^8)(1.3×10^7)=3.77×10^15

C. (9.9×10^7)(5.8×10^6)=5.72×10^13

D. (8.8×10^8)(4.2×10^7)=13×10^15

B. (2.9×10^8)(1.3×10^7)=3.77×10^15