Question

A pencil measures 18 cm long. How many millimeters long is the pencil?

Answer 1

There are 10 millimeters in a centimeter, so 10*18 = 180.

Answer 2

180 mm

Step-by-step explanation:

We are given that a pencil whose measure 18 cm long .

We have to find that length of pencil in millimeter

In order to find the value of length of pencil in millimeter we are using conversion of centimeter into millimeter by the unitary method

We know that

1 cm =10 mm

Multiply 10 by 18

18 cm =
`18* 10`

After multiplying we get

18 cm =180 mm

Length of pencil in millimeter is 180 mm.

Hence, the pencil is 180 mm long.