Question 9874
What is 92cm =___920____mm             there are 10mm in 1cm

What is 61cm=_____610__mm

What is 51cm=___510____mm

And What is  735m= 735000mm 
 
convert metres to centimetres then millimetres -

735m x 100 cm = 73500cm 
to get millimetres 
- 73500cm x 10mm = 735000mm