Question

express 3.423(bar on 423)is in the form p/q, where p and q are integers and q not equal to 0.

Answer 1

let x=3.423423423------- -(1)
multiply x with 1000
1000x=3423.423423---- -(2)
eq 2 - eq 1
1000x=3423.423--
-x. = 3.423423--

999x = 342
x = 342/999

Answer 2

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