Question

A book costs $\$\mathrm{23.476.}$ How much will be paid for 100 such books?
$

Answer 1

Cost of 1 book = $\$23.476$
Cost of 100 books $=\$23.476\times 100$
$23.476\times 100:$

To multiply: Since there are two zeroes in 100, move the decimal point two places to the right in 23.476

$\Rightarrow \$23.476\times 100=\$2347.6$

Hence, cost of 100 books is $\$2347.6$.