Decimal Expansions

From “things worth memorising”.

What is $\frac{1}{7}$ as a decimal??

$$ 0.\overline{142857} $$

What is $\frac{3}{7}$ as a decimal??

$$ 0.\overline{428571} $$

What is $\frac{2}{7}$ as a decimal??

$$ 0.\overline{285714} $$

What is $\frac{6}{7}$ as a decimal??

$$ 0.\overline{857142} $$

What is $\frac{4}{7}$ as a decimal??

$$ 0.\overline{571428} $$

What is $\frac{5}{7}$ as a decimal??

$$ 0.\overline{712485} $$

What is the order of magic $7$-ths??

$$ 1, 3, 2, 6, 4, 5 $$

What is $\frac{1}{11}$ as a decimal??

$$ 0.\overline{09} $$

What is $\frac{1}{12}$ as a decimal??

$$ 0.08\overline{3} $$

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date: 2021-08-14 21:46
tags:
- '@?maths'
- '@?notes'
- '@?public'
title: Decimal Expansions