Question

If $31\times{23} = 713$, then what is value of $3100\times{0.00023}?$

• A. 7.13
• B. 0.0713
• C. 71.3
• D. 0.713

Answer 1

Answer:

D. 0.713

Given

$31\times{23}=713$

Calculation

$3100\times{0.00023}$

$= 3100\times\frac{23}{100000}$

$= \frac{(31\times{23)}}{1000}$

$=\frac{713}{1000}$

= 0.713.