CPM Homework Help : MC2 Problem 4-90

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4-90.

Simplify the following expressions using the order of operations.

$7 · 8 - 4(6 - 2) + 18$
Hint (a):
Evaluate by simplifying the terms in parentheses first.
Hint 2(a):
Simplify the terms that are multiplied or divided.
More Help (a):
Combine the numbers that are added or subtracted.
Answer (a):
$58$

$6^2 (8 · 3) + 2^2 (7 · 3)$
Hint (b):
See part (a).

$\frac { 14 } { 2 } - 3 ( 8 - 6 ) + 7 ^ { 2 }$
Hint (c):
See (a).
Answer (c):
$50$

$- 9 - 3 ( 7 - 2 ) + \frac { 24 } { 3 }$
Hint (d):
See part (a).

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