CPM Homework Help : GB8I Problem 1-21

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Home > GB8I > Chapter 1 Unit 1 > Lesson INT1: 1.1.2 > Problem 1-21

1-21.

Calculate the value of each of the following expressions.

$\frac { 3 ^ { 2 } + 2 \cdot 8 } { 16 - 11 }$

Hint (a):
Review the Order of Operations in the glossary if you need help remembering it.
More Help (a):
Evaluate the numerator and the denominator separately using the Order of Operations.

$( 32 \cdot \frac { 1 } { 2 } + 6 ) - ( 4 - 1 )$

Answer (b):
$(16 + 6) − (3)$
$22 − 3$
$19$

$4 ( ( 8 - 10 \cdot 3 ) + 2 ^ { 3 } - 5 )$

Hint (c):
Evaluate the expression within the innermost parentheses first. Continue evaluating the resulting expression.
Answer (c):
$−76$

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