Question

17cm+20mm=________
mm​

Answer 1

Answer:

1 cm = 10 mm

So, 17 cm = 170mm + 20 mm

$\implies$ 190mm

Therefore, 17cm + 20 mm = 190mm

Answer 2

Answer:

17 cm + 20 mm = 190 mm.

Step by Step explanation:

First, convert 17 cm to mm.

17 cm = 170 mm,

Then, add.

170 mm + 20 mm = 190 mm.

I hope this helps