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?
There is no whole number - 81/90 in its simplest form is 9/10 !
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
9/2 can't be a whole number.
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.