Question

10 raise to power2 - 11 raise to power 2 + 4raise to power2​

Answer 1

-5

Explanation:

100 - 121 + 16

Power of 2 just means to multiply the number by iteself. So 10×10, 11×11, 4×4.

Answer 2

10^2 = 100
11^2 = 121
4^2 = 16

100 - 121 + 16

116 - 121

-5