Question

A picnic bench is 2 meters long.How many decimeter is the bench?

Answer 1

2 meters
20 because 0.20 is = to 20
or 10 ×2 =20

Answer 2

A decimeter is a tenth of a centimeter.

So, divide/multiply: 2 ÷ 0.1 = 20 or 2 × 10 = 20

So, the picnic bench is 20 decimeters long.