Question

find x if (3)^5x * (3)^3x=81

Answer 1

Answer:

1/2

Step-by-step explanation:

for explanation see above pic

Answer 2

Answer:

x=1/2.

Step-by-step explanation:

3^5x * 3^3x = 81

3^5x+3x= 81 (a^m+a^n=a^m+n)

3^8x=81

3^8x = 3^4

Bases are equal so powers will also equal.

8x=4

x=4/8

x=1/2.