The notation \(0.999...\) represents a repeating decimal, which means that the digit 9 continues indefinitely. In mathematics, it is established that \(0.999...\) is equal to \(1\). Here's a simple way to understand why: 1. Let \(x = 0.999...\). 2. If we multiply both sides of the equation by \(10\), we get: \[ 10x = 9.999... \] 3.
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