Answer :
(15^7) / (15^4)
exponent rule : when dividing with exponents that have the same base, keep the base and subtract the exponents.
(15^7) / (15^4) = 15^(7-4) = 15^3
exponent rule : when dividing with exponents that have the same base, keep the base and subtract the exponents.
(15^7) / (15^4) = 15^(7-4) = 15^3