Answer:
12
Step-by-step explanation:
Given expression is:
[tex](x^16)^\frac{3}{4}[/tex]
By the rues of exponents, when there is exponent on exponent then the exponents are multiplied.
So,
[tex]= x^{16*\frac{3}{4}}\\ = x^{4*3}\\=x^{12}[/tex]
The exponent of x will be 12 after the simplification ..