Question

3. Express 0.424242... in p/q form, where p and q are.
integers and q is not equal to 0.
​

Answer 1

let x 0.4242 =0.42bar

multiply by 10 at both side

10x=4.24242

subtract 1 from 2

10 x minus x is equal to 0.4 242 - 4.2 424

9 x is equal to 4.2 424

4.24 to 4.9 is equal to answer