Question

Pls help I don’t understand this one pls

Answer 1

`15^2\\` = 225

`20^(2)` = 400

Explanation:

`x^(2)` =
`x` ×
`x`

basically it's the number times itself

15 × 15 = 225

20 × 20 = 400

Answer 2

15=225

20= 400

Explanation:

the small 2 means multiply that number two times :)