Question

The simplification of
$2.002+7.9(2.8-6.3(3.6-1.5)+15.6)$ yeilds

• A. $2,002$
• B. $4.2845$
• C. $40.843$
• D. $42.845$

Answer 1

The correct option is D $42.845$

$2.002+7.9[2.8-6.3\times 2.1+15.6]$

$=2.002+7.9[2.8-13.23+15.6]$

$=2.002+7.9\times 5.17$

$=2.002+40.843$

$=42.845$

Answer : D