Question

6mn

(I don't understand)

m= 3 n= 7

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Answer 1

you subatitute the letters

so 6 ×3×7=126

in 6mn

m and n stand for a number which is m is 3 and n is 7

as two letters are together with number you multiply them

so 6 ×3(m)×7(n)=126

126 is the answer

Answer 2

The answer is 126!

Explanation:

Youre going to substiture the for the place they stand in the equation. So in 6mn, youŕe going to put 6(3)(7) and multiply.