Question

3. The periodicity of 7.286286…. is ___
(a) 286 (b) 3 (c) 2 (d)86

Answer 1

Periodicity:

The recurring part of non- terminating recurring decimal the number of digits in the recurring part is called " Periodicity".

$Given rational \:number:$

$7.286286\ldots\: is \:a \:non-terminating$

$recurring \:decimal$

$Number \:of \:digits \:in \:the \: recurring$ $part= 3\: i.e .,\:( 286 )$

Therefore.,

$Option \:\pink { ( b ) } \:is \: correct.$

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