A stick has a length of 12.132 cm and another stick has a length of 12.4 cm.
If the two sticks are placed end to end , what is their total length ?

Explanation

Let lengths of the sticks are named as `l_1 =12.132 cm , l_2 =12.4 cm`
Here `l_2` has one decimal place and `l_1` has to be rounded off to have only two decimal places `l_1 + l_2 = 12.13 + 12.4 = 24.53`.
This is to be rounded off to have one decimal place only.
`therefore ` The total length is 24.5 cm