I think Lauren arrived at the movie 8 minutes before it started.
You have 3 whole units and 62 hundreths. So the 3 is a whole number. It stands for 3 whole
C is correct
process of elimination will help you prove your answer
a- numbers trailing a decimal before a nonzero digit are not significant
b- zeros between nonzero are significant
d-the zero before the 6 is not significant