The value of #root(3)(125)# is?

4 Answers
Jun 27, 2018

#root(3)(125) = 5#

Jun 27, 2018

#5#

Explanation:

#root3(125)#

#:.=root3(5*5*5)#

#:.=root3(5)* root 3(5)* root 3 (5)=5#

Jun 27, 2018

#5#

Explanation:

#root(3)125=5#

#"since "5xx5xx5=125#

Jun 27, 2018

If you really can not spot what the roots are do this:

#root(3)(125)=+5#

Explanation:

Do a very quick and very rough sketch on the margin of your page of a prime number factor tree. In this case you are looking for groupings of 3 values that are the same>

Tony B

The group of three highlighted values tell you the cube root of 125 is 3.