1.

Express in 0.2121 pq form

Answer»

ANSWER:

Step-by-step EXPLANATION:

Let x = 0.212121... —————- Eq 1

As there 2 terminating digits after the point , Mutiply the 1ST EQUATION with 100

therefore 100x = 21.212121.........————Eq 2

Subtract Eq 1 from Eq 2

  100x = 21.212121.......

(-)      x =   0.212121......

=         99x = 21

          x= 21/99 ; p/q = 21/99.

           



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