Question

Use each of the digits 2, 3, 7, and 8. Make it two different multiplication problems so that each product is larger than 5000. Use each digit once in each problem.
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Answer 1

83 x 72 = 5,976. 82 x 73 = 5,986. The way to do this is to take the two biggest numbers and use them in the tens place. Then take the other numbers and put them in the ones space. Then switch the ones slot numbers around to get two different numbers over 5000.