Question

Do number 3 find the value of n

Answer 1

Answer:

n = 5

Step-by-step explanation:

$a^{m}+a^{n} = a^{n+m} \\\\\\4^{2} * 4^{n} = 4^{7} \\\\2 + n = 7\\n = 7 - 2\\n = 5\\\\so..\\4^{2} * 4^{5} = 4^{7}$