Answer:
Step-by-step explanation:
The formula to find the radius of a sphere is 
3.14*4*100=1256
I hope this helped
Answer:
57 years
Step-by-step explanation:
Divide 400 by 7.
Its .2857142857(long decimal xD)
Answer:
6
Step-by-step explanation:
45/26=1.7307692307692307692307692307692...
≈1.7308
100*1.7308=173.08
The unknown number is approximately 173.08.