Change the Given Quantity to the Indicated Unit $7.7 \mathrm{sec}=$ Mcsec
A) 77,000
B)

Change the given quantity to the indicated unit.
- $7.7 \mathrm{sec}=$ mcsec

A) 77,000
B) $7,700,000$
C) $77,000,000$
D) 770,000