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Evaluate the expression 3mn if m=3 and n=7 please help me solve this problem and explain
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Evaluate the expression 3mn if m=3 and n=7 please help me solve this problem and explain

User Marwan
by
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2 Answers

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3(3)(7)
3*3=9then 9*7 equals 63.
so the answer is 63
User Stefano Ortisi
by
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Substitute 3 into the expression for m, and 7 into it for n. So 3mn = 3(3)(7) = 3 x 21 = 63.
User Larphoid
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