Question

for problems 7 - 14, evaluate the expressions.

1. 2 + 1.4+(-1.4)
2. -7+(-1.2)+1.2

Explanation:

Step1: Add 1.4 and - 1.4

$2 + 1.4+(-1.4)=2+(1.4 - 1.4)$

Step2: Calculate the result

$2+(1.4 - 1.4)=2+0 = 2$

Step1: Add - 1.2 and 1.2

$-7+(-1.2)+1.2=-7+(-1.2 + 1.2)$

Step2: Calculate the result

$-7+(-1.2 + 1.2)=-7+0=-7$

Answer:

$2$