CPM Homework Help : CC3MN Problem 2-71

CALCULATOR CHECK

Use your scientific calculator to compute the value of each expression in the left-hand column below. Match each result to an answer in the right-hand column.

Calculator OK

$−3 + 16 − \left(−5\right)$
$\left(3 − 5\right)\left(6 + 2\right)$
$17\left(−23\right) + 2$
$5 − \left(3 − 17\right)\left(−2 + 25\right)$
$\left(−4\right)\left(−2.25\right)\left(−10\right)$
$-1.5-2.25-\left(-4.5\right)$
$\frac{4-5}{-2}$

$−16$
$327$
$0.5$
$18$
$−90$
$0.75$
$−389$

Hint:

Remember to be cautious when entering negative signs.
A few matches have been made below, so that you can check some of your work.

$\text{a.}\ \Rightarrow\ 4.$

$\text{f.}\ \Rightarrow\ 6.$

$\text{g.}\ \Rightarrow\ 3.$