Question

the product of the square of a number and 5

Answer 1

Let the number be X.

The square of the number will be X^2 (^2: this just means the X is squared, or X to the exponent of 2)
then you will just put your X^2 and multiply if by five.

5*X^2

Answer 2

i thought product ment add

Answer 3

You're thinking of a "sum"

Answer 4

oh okay thank you