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What is the decimal expansion of 7/22

User Neels
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2 Answers

3 votes
.318 (18 repeating)

This value is considered irrational and would be best used in an equation as a fraction to prevent rounding errors.
User Deathismyfriend
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8.2k points
2 votes

Answer:


(7)/(2)=0.318181818181818181818181818...

Explanation:

The given number is


(7)/(22)

This is a rational number, because it's infinite and repeats a decimal pattern, as follows


(7)/(2)=0.318181818181818181818181818...

The three suspensive points means that this number repeats the pattern until infinite, this type of numbers are called periodical number, and its periodicity is in this case
18. So, the expansion of the number is expresses as the expression above.

User Hamdiakoguz
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