Dr. Logan mixed 5.145 g of chemical A, 10.232 g of chemical B, and 9.878 g of chemical C to make 5 doses of medicine.

a. How many grams are in one dose of medicine?

b. Round the amount of medicine in one dose to the nearest tenth of a gram.

c. Express the weight of one dose in milligrams. Write an equation to show your thinking. ( 1 gram= 1,000 milligrams)

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