How many different digits appear when 20/11 is written a recurring decimal?? PLEASE HELP

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28-03-2015
Mathematics

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How many different digits appear when 20/11 is written a recurring decimal?? PLEASE HELP

Sagot :

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olemakpadu olemakpadu · Answer 1 · 2015-03-29T14:42:23-04:00

A recurring decimal is one is which the numbers after the decimal keeps on repeating up till infinity, it does not terminate.

Now for 20/11: 11 into 20 is 1 remainder 9.

20 / 11 = 1 whole number, 9/11.

We can now perform 9/11 with our calculator = 0.818181.....

The ....... after the 81 signifies it continues in that pattern indefinitely.

Therefore 20/11 = 1 whole number, 9/11= 1 + 0.818181....
= 1.818181......
The different digits that appear are 1 and 8.
So 2 different digits appear when 20/11 is written as recurring decimal.

Sagot :

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