64,200,000,000 Is Equal to
A) $6.42 × 10^7$
B) $6.42 × 10^−7$

Multiple Choice

64,200,000,000 is equal to

A) $6.42 × 10^7$ .
B) $6.42 × 10^−7$ .
C) $6.42 × 10^10$ .
D) $6.42 × 10^−10$ .
E) $1.0 × 10^{64.2}$ .