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OlgaM077 [116]
3 years ago
7

I need help with number 12

Mathematics
2 answers:
Genrish500 [490]3 years ago
5 0

Answer:

150

Step-by-step explanation:

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

-16 + 112 - 2(-27)

; -16 + 112 + 54

;150

Olin [163]3 years ago
5 0

Answer:

150

Step-by-step 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

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