Dear, could you please tell me what is the greatest decimal fraction
formed of the digits 0, 1 , 8?

Is it 0.810 or 0.801, please give me the reason of the answer
in details and the references if it possible.

Thank you very much for your help.
Ahmed

Hi Ahmed,

0.810 is larger than 0.801 since

0.810 = ⁸/₁₀ + ¹/₁₀₀

and

0.801 = ⁸/₁₀ + ¹/₁₀₀₀

Penny

Go to Math Central