1)

$(0.04)^{1.5}=?$


A) 25

B) 125

C) 250

D) 625

Answer:

Option B

Explanation:

$(0.04)^{1.5}$

$=\left(\frac{4}{100}\right)^{-1.5}$

$=\left(\frac{1}{25}\right)^{-\frac{3}{2}}$

$=(25)^{\frac{3}{2}}$

$=5^{\left(2 \times \frac{3}{2}\right)}$

$=5^{3}=125$