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Anonymous
yes it isThe square root of 81 is 9.
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yes. it's a squared number of 9
yes
81
64 and 81 ; 64 is 8 squared and 81 is 9 squared
-9 or +9.
3 cubed = 27 and 9 squared = 81 which is the biggest number
81 x 81 = 6561