kira needs 3,000 milligrams of zinc for a science experiment. Which expression can be used to determine how many grams of zinc she needs?

1 answer

To convert milligrams to grams, you can use the expression:

3,000 milligrams x (1 gram / 1,000 milligrams) = 3 grams

Therefore, Kira needs 3 grams of zinc for her science experiment.