9 squared ?
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 a whole number whose simplest form is 81.
81 is 3 to the power 4.
In index form, 90 can be expressed as 9^2. This is because the index form represents the number as a base raised to a power, where the base is 9 and the power is 2. This is equivalent to 9 * 9, which equals 81.
81/100
81+0=81