Question

• A. A
• B. B
• C. C
• D. D

Answer 1

Answer:

C. C

$\frac15+\frac{2}{5^2}+\frac{3}{5^3}$

$=\frac15+\frac{2}{25}+\frac{3}{125}$

$=0.2+0.08+0.024$

$=0.304$