Question

Please help and explain! I will mark brainliest to correct answer!​

Answer 1

Answer:

x =20

Step-by-step explanation:

Factorize 81

81 = 9 * 9 = 3 * 3 * 3 * 3

$81 = 3^{4}\\\\\\81^{5} = 3^{x}\\\\(3^{4})^{5}= 3^{x}\\\\3^{4*5}=3^{x}\\\\3^{20}=3^{x}$

Therefore x = 20

Answer 2

Answer:

x = 20

Step-by-step explanation:

81^5 = 3486784401

3^20 = 3486784401