3 years ago

-8(2z - 70) use z = 5 and c = 2

Mathematics

2 answers:

Dima020 [189]3 years ago

8 0

Answer:

480

Step-by-step explanation:

-8( 2(5) - 70)

-8 ( 10 - 70)

-80 + 560

480

Neporo4naja [7]3 years ago

6 0

Answer:

480

Step-by-step explanation:

So we have the expression:

$-8(2z-70)$

And we want to evaluate it for z=5 and c=2:

So:

$=-8(2(5)-70)$

Multiply within the parentheses:

$=-8(10-70)$

Subtract within the parentheses:

$=-8(-60)$

Multiply:

$=480$

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