Question

is 81 a perfect cube? give reason​

Answer 1

yes

.

because √81 = 9 .............

Answer 2

Answer:

No

Step-by-step explanation:

Prime factorisation of 81 results in

81/3 = 27

27/3 = 9

9/3=3

3/3=1

81 = 3*3*3*3

There is only one set of three 3’s