Given a ^ m = 9, a ^ n = 8, a ^ k = 4, find the value of a ^ m-2k + 3N

a^m-2k+3n
=a^m+3n-2k
=a^m*a^3n/a^2k
=a^m*(a^n)^3/(a^k)^2
=9*8^3/4^2
=9*(2^3)^3/(2^2)^2
=9*2^9/2^4
=9*2^9-4
=9*2^5
=9*32
=288

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