2nd
Step-by-step explanation:
8/9 to the second power equals to 64/81. Hope this helps!
Answer:
Hi
x = exponent
64 = 8·8 = 8^2
81 = 9·9 = 9^2
64/81 = 8^2/9^2 = (8/9)^2
(8/9)^2 = (8/9)^x
x = 2
Step-by-step explanation:
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