Answer:
n = 15
Step-by-step explanation:
now what do we divide by 3 to get 5 = 15
now lets swap the n with the 15 to get
4^([tex]\frac{15}{3}[/tex] + 5) = 40
now simplify 4^(5 + 5) = 40
simplify again 4^(10) = 40
4^ means times whats in the brackets by 4
that equals 40 = 40
