Answer:
21
Step-by-step explanation:
Answer:
50.24
Step-by-step explanation:
8÷2 is the radius. 3.14×4^2=50.24 m^2
^= where the exponent is supposed to go
Answer:
D. 
Step-by-step explanation:
First, use prime factorization of 250 to get 
Then apply the exponent rule, 
=
Apply radical rule: 
=
Apply radical rule: 
=5
=5
Answer:
2640 miles/day
Step-by-step explanation:
There are 24 hours in a day, so 110*24 = 2640.