Question

What is the result of converting 1.6 meters to millimeters

Answer 1

There are 1000 millimeters in a meter so you have to multiply 1.6 by 1000. 
1.6×1000
=1600 millimeters

so the answer is 1600 millimeters. 
hope it helps

Answer 2

When you want co convert meters to milimeters, you're converting through a few size classes. First you conver from meters to decimeters - 1,6m = 16dcm. From decimeters you have to convert to centimeters - 16dcm = 160cm. And finally from centimeter you want to convert to milimeters - 1600 mm.