Question

Evaluate the given expression and convert it into decimal form.

$4\frac{2}{10}÷10=$

Answer 1

First, convert $4\frac{2}{10}$ into improper fraction.

$4\frac{2}{10}=\frac{4\times 10+2}{10}=\frac{42.0}{10}$

Shift the decimal to leftwards according to the number of zeros followed $1.$

$\frac{42.0}{10}=\frac{4.20}{1}=4.2$

$\therefore 4\frac{2}{10}÷10=\frac{4.2}{10}$
(shifting the decimal point)
$=0.42$