2 years ago

I need help with number 12

Mathematics

2 answers:

Genrish500 [490]2 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]2 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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