BTGmoderatorDC wrote:Which of the following is closest to $$\sqrt{\frac{4.2\left(1,590\right)}{15.7}}$$ ?
A. 20
B. 40
C. 60
D. 80
E. 100
$$\sqrt{\frac{4.2\left(1,590\right)}{15.7}}$$
$$\sqrt{\frac{4\left(1600\right)}{16}}$$
$$\sqrt{\frac{1600}{4}}$$
$$\sqrt{400}$$
$$20$$
The correct answer is
A.
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