Question

4. Express 0.99999 .... in the form P. Are you surp
9​

Answer 1

let x= 0.9bar ..... eq 1

multiply by 10 both of side

10x = 9.9 bar ...... eq 2

subtract equation 1 from 2

10x - x = 9.9 - 0.9

9x = 9

x= 1

p/ q = 1/1