Question

find the decimal fraction which when multiplied by itself gives it 84.64

Answer 1

the answer is 9.2 as square root of 84.64 is 9.2 and we know 9.2=92÷100=46÷5

Answer 2

Let the fraction be x / 1


Given, fraction when Multiplied by itself,

=> ( x / 1 ) ( x / 1 ) = 84.64

=> ( x )² = 84.64

=> ( x )² = ( 9.2 )²

=> x = 9.2

=> x = 92 / 10

=> x = 46 / 5



$\bold{Required \: \: number \: \: is \: \: \: \frac{46}{5}}$