355,078 views
8 votes
8 votes
If 3^x-2 = 81, what is the value of 2^2x-7?​

User Motassem Kassab
by
2.4k points

1 Answer

13 votes
13 votes

Answer:

32

Step-by-step explanation:

3^(x-2) = 81 = 3^4

so x - 2 = 4

x = 6

2^(2x-7) = 2^(2*6-7) = 2^5 = 32

User Noah Campbell
by
3.0k points