Answer:
Step-by-step explanation:
A I think is correct, but you may want to get a second opinion.
Answer:
F the point is 3.16
Explantion:
the point is 3.16, which is close to 3.2
By definition, an astronomical unit in miles is given by:

As it is in exponential notation, then we must rewrite.

Therefore, an astronomical unit is:
93 million miles
Answer:
93 million miles
3/4 of an hour = 45 minutes
45 * 3 = 135 minutes
135 + 45 = 180 minutes
He spends 180 minutes or 3 hours