Can you tell me between what two integer does root -20 to the power of 3 lie?

Question

Can you tell me between what two integer does root -20 to the power of 3 lie?

 

And please explain how you arrive at your answer.

Answer 1

square root of negative number is imaginary

 

cube root of -20 :

 

  -3*-3*-3 = -27 <--- too small

 -2*-2*-2 = -8 <--- too big

 

 it is between -2 and -3

 

approximately -2.714417616595....