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1 divided by 7better yet look at this:

1/7=0.1428571428571428571428571428571

2/7=0.2857142857142857142857142857142

3/7=0.4285714285714285714285714285714

4/7=0.5714285714285714285714285714285

5/7=0.7142857142857142857142857142857

6/7=0.8571428571428571428571428571428

The question is: is there any other irrational number that the result of (1 to n-1)/n results in a series of n-1 repeating numbers in the exact same order for every possible fraction?

Q: Why does the answer to 1 divided by 7 have only 6 recurring decimal places?

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The question only shows ten places of decimals, then it stops. In the form given in the question it is not a recurring decimal. A recurring decimal continues infinitely. e.g. 1/3 rd expressed as a decimal has an answer of infinite length. Of course, if the question only shows part of the decimal value, and if that value actually extends infinitely, then it is a recurring decimal. Other examples of recurring decimals: 1/7, 1/13, etc. For more comprehensive information about recurring decimals, see 'Related Links' below the following advertisements.

1.5

You can only round a number to 2 decimal places if it currently has more than 2 decimal places.

5.4

Expressed as a decimal, 5/12 is equal to 0.416 recurring (that is, 0.416666...)Assuming you mean the fraction 5/12, you would take the top number and divide by the bottom number. The line in a fraction really means "of" or "divided by."5/12 = 0.4166667That is only approximate since that is a repeating decimal.

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The question only shows ten places of decimals, then it stops. In the form given in the question it is not a recurring decimal. A recurring decimal continues infinitely. e.g. 1/3 rd expressed as a decimal has an answer of infinite length. Of course, if the question only shows part of the decimal value, and if that value actually extends infinitely, then it is a recurring decimal. Other examples of recurring decimals: 1/7, 1/13, etc. For more comprehensive information about recurring decimals, see 'Related Links' below the following advertisements.

that would be 0.33 but it depends on the amount of decimal places you are using, the decimal of one third is infinite; never ends. for example 5 decimal places would be -> 0.33333The decimal form of one third is the decimal .3 repeating,so .333333.......1 third = 0.33333.... [repeating 3] To signal that this is recurring there is a dot on top of the last three. This signals that the decimal is recurring and goes on forever. Usually people only write the first three places in a recurring decimal due to that it goes on forever.1/3 is sorta messy as a decimal, as it translates into 0.33333 - and the threes just keep coming for as many as you care to use.

If the prime factorisation of the fraction's denominator consists only of the primes 2 and/or 5 it will be a non-recurring decimal; otherwise it will.

A decimal need not be a rational. A non-terminating, non recurring decimal is an irrational number. Only a terminating decimal or a recurring decimal is rational and that is because such a number can be expressed as a ratio of two integers.

Not all decimals can be expressed as fractions. Only terminating and recurring decimals can be expressed as fractions. eg a recurring decimal: 0.3333333... = 1/3 A terminating decimal: 0.125 = 1/8 A decimal that does not recurr or terminate, cannot be expressed as a fraction. eg Pi = 3.141592654... Pi can not be expressed as a fraction as it does not recurr or terminate. It can only be approximated to a fraction. eg Pi ≈ 355/113 but is correct to 6 decimal places.

1.5

It is easier for people with a basic level of mathematical skills to understand decimal numbers with only a few digits after the decimal point. Besides, few labels refer to things which are packaged with an accuracy of more than 2 places after the decimal point.

7.76

You can only round a number to 2 decimal places if it currently has more than 2 decimal places.

5.4

No. Only rational numbers have a recurring decimal; √2 is irrational.

12.782 has three decimal places while 12.78 has two decimal places only.