Is 0.7 repeating rational number?

Science & Mathematics by Anonymous 2018-05-25 14:06:19

Social Science

6 answers

Anonymous

only if there is a bar over the 7 Otherwise, it's a non-repeating rational number.
Anonymous

Every repeating decimal represents a rational number. 0.7777777777..... is no exception.
Anonymous

Yes, it is rational. Proof:- Let y = 0.77777777...... ∴ 10 y = 7.7777777...... Subtract 9y = 7 y = 7/9 which is rational
Anonymous

No
Anonymous

No.
Anonymous

thanks