Edy and Mario are math teachers working with a group of students. They are trying to prepare for a lesson on decimals. Some of their students are struggling with the following calculation: 7-3.98 How could Edy and Mario use the distributive property as a way of helping the students to do the calculation without a calculator, and without using the traditional method for multiplying decimal numbers? Show and explain how they could use the distributive property to do the calculation.

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