Question

Convert the unlike decimal numbers to like decimal numbers $17.5,3.912.$

Answer 1

$\Rightarrow$Like decimals have equal number of decimal places.
$\Rightarrow$The like decimal numbers equivalent to $17.5$, $3.912$ are $17.500$ and $3.912$.
$\Rightarrow$Addition of zeroes at the end of a decimal number does not change the value of that number.