r^3=27/8 How do you solve for r?

r^3=27/8 HOW DO I SOLVE FOR R, because I know I can solve for exponent by using log but since this is the base how would i do it? step by step, please!

2 Answers
Feb 3, 2018

r=3/2=1.5

Explanation:

  1. Take the cube root of Both Sides.

r=3-:2

Becuase the Cube root of 27 is 3

And The Cube root Of 8 is 2

r=3/2=1.5

Feb 4, 2018

r=1.5

Explanation:

r^3=27/8

Notice how,

r^3=(3/2)^3

:.r=3/2

r=1.5