Question

I need help with number 12

Answer 1

150

Explanation:

-(-4)^2 + 7(-2)^4 - 2(-3)^3

-16 + 112 - 2(-27)

; -16 + 112 + 54

;150

Answer 2

150

Explanation:

Substitute the given values for a, b and c into the expression

- (- 4)² + 7
`(-2)^(4)` - 2
`(-3)^(3)`

= - 16 + (7 × 16) -2(27)

= - 16 + 112 + 54

= - 16 + 166

= 150