Thread: The reason why .999(repeating) = 1
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Old 09-01-2004, 09:27 PM
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Default The reason why .999(repeating) = 1
n = .9999...

.9999... x 10 = 9.9999...

n x 10 = 10n

Therefore, 10n = 9.9999...

10n - n = 9n

9.9999... - .9999... = 9

Therefore, 9n = 9

9 ÷ 9 = 1

n = 1
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