Question

Express 7.27 bar on 7 in p /q form

Answer 1

Answer:

let x = 7.2777.. - a

let 10× = 72.777... - b

let 100x = 727.777.. - c

Substracting c from b

= 100x-10× = 727.777.. - 72.777...

= 90× = 655

= x = 655/90

( For verification, check 90 upon 655 and you'll get 7.2777... )

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