Question

Which of the following are like decimals?
$39.07,3.907,30.97,39.7$

Answer 1

Decimals having the same number of decimal places are called like decimals

$\{39.07,30.97\}$ have $2$ decimal places.Hence these are like decimals except $3.907$ and $39.7$ since it has $3$ and $1$ decimal places respectively.