SOLUTION: Hi, I really need some help with this problem. Thank you so very much in advance! Here is the question... The Diameter of Mars is about 4,000 miles. Find the approximate volu

Algebra ->  Equations -> SOLUTION: Hi, I really need some help with this problem. Thank you so very much in advance! Here is the question... The Diameter of Mars is about 4,000 miles. Find the approximate volu      Log On


   

Question 132978This question is from textbook Prentice Hall Mathmatics Pre-Algebra
: Hi, I really need some help with this problem. Thank you so very much in advance! Here is the question...
The Diameter of Mars is about 4,000 miles. Find the approximate volume.
Thanks again! This question is from textbook Prentice Hall Mathmatics Pre-Algebra

Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Since the diameter is 4,000 miles, this means that the radius is 2,000 miles (just take half of 4,000)


So r=2000




V=%284%2F3%29pi%2Ar%5E3 Start with the volume of a sphere formula


V=%284%2F3%29%28pi%29%2A%282000%29%5E3 Plug in r=2000


V=%284%2F3%29%28pi%29%2A8000000000 Cube 2000 to get 8000000000


V=%284%2F3%2925132741228.7183 Multiply pi and 8000000000 (you can use 3.14 for pi) to get 25132741228.7183


V=33510321638.2911 Multiply 4%2F3 and 25132741228.7183 to get 33510321638.2911


So the volume of the sphere with a radius of 2000 miles is 33,510,321,638.2911 cubic miles



This means that volume of Mars is 33,510,321,638.2911 cubic miles