Question

Solve each exponential equation. Give the exact value for x. 9x = 1/81

Answer 1

write 1/81 as 9^(-2)

so you have 9^x = 9^(-2)

Now equate exponents.

Answer 2

x = 1/729 that is one of the biggest denominators I seen in my life O_O

Answer 3

http://www.wolframalpha.com/input/?i=9x+%3D+1%2F81

Answer 4

@lucascoco08
Did you mean 9^x = 1/81?
If so, follow @Easyaspi314

If you meant 9x = 1/81, then follow @charlotte123

Since you state "Solve each exponential equation.", I assume you meant
9^x = 1/81

Answer 5

@mathstudent55 thank u!

Answer 6

wlcm