Question

i want to know the formula

Answer 1

There is no formula when bases are different , u need to follow the full process.
1. 3^3 + -2^-2
= 9 + 1/4
= 37/4

2. 3^-2 + -2^3
= 1/9 - 8
= -71/9

Answer 2

HOPE IT HELPS YOU......