Question

(7^x)^y = 7
What is x • y?

Answer 1

`x \cdot y=1`

Explanation:

`(7^x)^y = 7`

Apply exponent rule
`(a^b)^c=a^(bc)`:

`\implies7^(xy)=7^1`

`\implies x \cdot y=1`

Possible values for x and y:
`x=\frac12 \ \ \ \ \ y=2`