Sixth Grade Challenging Math

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6-7)   Answers

(a) Rearrange the numbers to 39 x (5 x 20) = 39 x 100 = 3900

(b) Rearrange the numbers to 25 x 125 x 4 x 8 = 25 x 4 x 125 x 8 = 100 x 1000 = 100000