New posts in Decimal Expansion

Length of period of decimal expansion of a fraction

Find the last two digits of $ 7^{81} ?$

Is 1 divided by 3 equal to 0.333...?

Determine $4$ specific digits in $34!$

Prove that none of $\{11, 111, 1111,\dots \}$ is the perfect square of an integer

Finding the last two digits $123^{562}$

The longest repeating decimal that can be created from a simple fraction

The last digit of $2^{2006}$

About 0.999... = 1

Proof that every repeating decimal is rational