Answer:
27
Step-by-step explanation:
Let's set this up as an equation.
[tex]3^{12} * x = 3^{15}[/tex]
[tex]x = \frac{3^{15} }{3^{12}}[/tex]
We know that dividing with exponents means we subtract the exponents. 15-12 = 3.
[tex]x = 3^{3} = 3*3 * 3 = 27[/tex]
