louieamezcua louieamezcua

18-02-2016
Mathematics

contestada

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

Respuesta :

18-02-2016

Substitute 3 into the expression for m, and 7 into it for n. So 3mn = 3(3)(7) = 3 x 21 = 63.

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begyannana begyannana

18-02-2016

3(3)(7)
3*3=9then 9*7 equals 63.
so the answer is 63

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