0.999... (source code)

= 0.999...
{wiki=0.999...}

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.