Question

Express as cm using decimal:
164 mm

Answer 1

164 mm = 164/10 cm

             = 16.4 cm

Answer 2

Given :

164 mm .

we know that -

1 metre = 100 centimetres

and

1 centimetre = 10 millimetres .

Converting millimetres to centimetres -

To covert mm to cm , we should divide by 10

Given : 164 mm.

10 mm = 1 cm

164 mm = ?

$\dfrac{164}{10} = 16.4$

164 mm = 16.4 cm

Hence

$\bold{Decimal \: Form \: = \: 16.4 cm}$