(16)9 ÷ (16)4 x (16)3 = (16)?

Given that ,(16)⁹ ÷ (16)⁴ x (16) ³ = (16)^?
Apply the law of Fractional Exponents and Laws of Exponents
(a^m) x (aⁿ) = a^{m + n}-------------------1
a^m ÷ aⁿ = a^{m ? n}----------------2
⇒ (16)⁹ ÷ (16)⁴ x (16) ³ = (16)^?
⇒ (16)^? = (16)^{9 + 3 - 4}
⇒ ? = 12 - 4 = 8