Question

Which of the following numbers is not a perfect cube 216,576,125,343?

Answer 1

All are perfect cubes

Step-by-step explanation:

6×6×6=216

8×8×8= 576

5×5×5 =125

7×7×7= 343

Answer 2

Answer:

576 is not a perfect cube

Step-by-step explanation:

216=2x2x2x3x3x3

     =(2x2x2)x(3x3x3)

576=2x2x2x2x2x2x3x3

     =(2x2x2)x(2x2x2)x3x3

125=5x5x5

     =(5x5x5)

343=7x7x7

     =(7x7x7)