The mass of a moon rock is 3.5 kilograms. What is the mass of the moon rock in grams?

##3,500 ## grams

##1 " kilogram" = 1,000##g

If you use a smaller unit, your answer is bigger. If you use a bigger unit, your answer is smaller.

To change from Kg to g you need to multiply by 1,000.

##1 " kilogram" = 1,000##g

##3.5kg = 3.5 xx 1000##

=##3,500 ## grams