Express 1/7 in decimal form and write it's period and periodicity
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What’s fascinating about the decimal expansion of 1/7 is that it consists of six unique digits: 1, 4, 2, 8, 5, and 7, repeated in that order ad infinitum. But here’s the fun part:
The same six digits, in the same order, but with a different starting digit, also represent the fractions 2/7, 3/7, 4/7, 5/7, and 6/7.
In other words…
1/7 = .142857142857142857···
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