Question

There are 1,000 mg in every gram. If something has a mass of 458 mg. what is the mass expressed in grams?

Answer 1

`1` `mg` `=` `1xx10^-3*g`

Explanation:

`458` `mg` `=` `458` `cancel(mg)` `xx` `10^-3*g*cancel(mg^-1)` `=` `0.458*g`