81 ÷ 9 = 9
81 9*9=8181
81 has 5 factors: 1, 3, 9, 27, and 81.
9
8
9² = 9 × 9 = 81
There are 81 ninths in 9 wholes. To find this, you multiply the number of wholes (9) by the number of parts in each whole (9), which equals 81. This is because there are 9 ninths in each whole, and you have 9 wholes in total.
There are 81 squares in a 9 by 9 square.
9
9 x 9 = 81 because if you count 9 times it would make up or be 81
81
-9 squared = 81(-9)^2 = (-9) * (-9) = 81