81 = 92
The number 81 can be expressed in index form as ( 3^4 ), since ( 3 \times 3 \times 3 \times 3 = 81 ). Alternatively, it can also be represented as ( 9^2 ) since ( 9 \times 9 = 81 ).
92 = 81
"index" is the singular form - "indices" is the plural :)
80+1= 81
The possessive form of the singular noun index is index's.
81% means, = 81/100 -----------------------the simplest form
81 is 3 to the power 4.
81 is a whole number whose simplest form is 81.
Oh, what a happy little question! In index form, 90 is written as 9 x 10. You see, we just break down 90 into its factors, 9 and 10, to write it in index form. Just like painting a beautiful landscape, sometimes we just need to break things down into smaller, simpler parts to understand them better.
81/100
5/81 is the simplest form.