Question

$\frac15+\frac{1}{5^2}+\frac{1}{5^3}=$

• A. 0.248
• B. 0.310
• C. 0.482
• D. 0.284

Answer 1

Answer:

A. 0.248

$\frac15+\frac{1}{5^2}+\frac{1}{5^3}$

$=\frac15+\frac{1}{25}+\frac{1}{125}$

$=0.2+0.04+0.008$

$=0.248$

LCM{5,25,125}=125