Oh, dude, 81 divided by 9 is like, 9. So, as a whole number, it's just 9. Easy peasy lemon squeezy. Math can be a walk in the park, you know?
The whole number of 81 over 90 is 0.9 when expressed as a decimal. To find this, divide 81 by 90 to get 0.9. This is because both 81 and 90 are divisible by 9, so simplifying the fraction gives 9/10, which equals 0.9 as a decimal.
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.
Factors are just numbers 81 can be divided by. The whole number factors are 1, 3, 9, 27, and 81
They are -9 and 9.
9 (92 = 81)
The square number of 81 is 9. 9 x 9 = 81
9/24 is not a whole number, so no whole number is equivalent to it.
no it's not a whole number.
Examples of such numbers are 49, where sqrt(49) = 7, 81, where sqrt(81) = 9. Such numbers are called square numbers.
No, 82 is not a multiple of 9 because 9 can not be multiplied by any whole number to get 82. (9x9=81, 9x10=90, there is no 82 in between).
Factors of 81 in pairs = 1 x 81, 3 x 27, 9 x 9, 27 x 3, 81 x 1.