Final answer:
To convert 124 grams of paint to milligrams, multiply by 1,000, resulting in 124,000 milligrams.
Step-by-step explanation:
The question asks us to convert the mass of paint from grams to milligrams. To do so, we need to know the conversion factor between grams and milligrams. There are 1,000 milligrams in a gram. Therefore, if there are 124 grams of paint in a tube, we must multiply this number by 1,000 to convert it to milligrams: 124 grams × 1,000 milligrams/gram = 124,000 milligrams. Hence, the mass of the paint in milligrams is 124,000 milligrams.