what is the solution to (4 x 10^3) x (6 x 10^6), written in scientific notation?

A. 24 x 10^9
B. 2.4 x 10^9 **
C. 24 x 10^18
D. 2.4 x 10^10

Is this right?

2 answers

Nope, The correct answer should be 2.4*10^10. Answer A is numerically correct, but it is not in the proper format of X.XX 10^y
OK thank you!