(a^2a^4)÷a^−3 = (a^2a^4)*a^3 = a^6*a^3 = a^9
a/(a^2a^3)^4 = a/(a^5)^4 = a/a^20 = a^-19
a^9÷a^-19 = a^9 * a^19 = a^28
Represent the following expressions as a power of the number a (a≠0):
(a^2a^4)÷a^−3/a÷(a^2a^3)^4
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