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5 (five) is a number, numeral and digit. It is the natural number, and cardinal number, following 4 and preceding 6, and is a prime number. Humans, and many other animals, have 5 digits on their limbs.

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To convert this fraction into a decimal, first convert it into the fraction of 5 10. Knowing that the first decimal place represents 10 -1, 5 10 can be converted to 0.5.

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