asked 58.7k views
3 votes
Convert 8.132132132 … to a rational expression in the form of a over b, where b ≠ 0.

1 Answer

0 votes
Let
x=8.132132132\ldots.

Then
1000x=8132.132132132\ldots.

Then
1000x-x=999x=8124. The non-integer parts cancel.

So you end up with


x=(8124)/(999)=(2708)/(333)
answered
User Brian Grinstead
by
8.3k points
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