Question

2. Express 1\13 in decimal form. Find the length of the period of decimals.

Answer 1

Hy friend, here's ur ans...
The decimal form of 1/13 is
0.0769230769
By this u can see the length of the period of decimals is 10.
: )

Hope it helped u...

Answer 2

13 ) 100 ( 0.076923 076923...

******91

________

*******90

*******78

_______

*******120

*******117

________

*********30

*********26

_________

***********40

***********39

__________

*************1

Therefore ,

1/13 = 0.076923 076923....

[ Non terminating and repeating

Decimal ]

************************************

Period :

The set of digits which repeats

in non-terminating and recurring

decimal is called period .

_____

Periodicity :

The number of digits in a period

of non-terminating recurring

decimal is called periodicity .

***************************************

Here ,

Period = 076923

Periodicity = 6

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