Simplify.
-$1.4^{2} \times[(10-4.2) \div 0.02+3.2]$
A) 551.472
B) 474.672
C) 574.672
D) 683.672

Name: Simplify. -$1.4^{2} \times[(10-4.2) \div 0.02+3.2]$ A) 551.472 B) 474.672 C) 574.672 D) 683.672
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Question

Quizplus · Accepted Answer

First, simplify inside the brackets: $10 - 4.2 = 5.8$, then divide by $0.02$ to get $290$, and add $3.2$ to get $293.2$. Next, square $1.4$ to get $1.96$, and finally multiply $1.96 \times 293.2$ to get $574.672$.

Simplify - 1.42×[(10−4.2)÷0.02+3.2]1.4^{2} \times[(10-4.2) \div 0.02+3.2]1.42×[(10−4.2)÷0.02+3.2] A) 551472 B) 474

Simplify
- $1.4^{2} \times[(10-4.2) \div 0.02+3.2]$ A) 551472
B) 474