Answer:
9
Step-by-step explanation:
Write the number in exponential form with the base of 9
Reduce the index of the radical and exponent with 3
9x9x9=729
I think it is 243
you can use a calculator if you want and put in 729 divided by 3 but for me idek how did it but i have done it before and I found it in my notes but i hope the answer helps. :)
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