Ralph has a bag of 28 marbles. Each marble weighs 3.099 grams. About how many grams does the bag weigh?
I have no idea what the bag alone weighs.
But this is how to find out how much the 28 marbles weigh:
28 * 3.099 = _________ grams
But this is how to find out how much the 28 marbles weigh:
28 * 3.099 = _________ grams