Classify each number below as a rational number or irrational number

Brent Barbata asked Jan 27, 2022

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Brent Barbata asked Jan 27, 2022

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15 votes

Answer:

$- (19)/(10) \: » \: { \sf{rational}} \\ \\ 20\pi \: » \: { \sf{irrational}} \\ \\ { \sf{ - √(49) \:» \: rational }}$

because -√49 = -7

$85. { \bar {93}} \: » \: { \sf{rational}} \\ \\ 2 √(5) \: » \: { \sf{irrational}}$

Lizzie answered Feb 1, 2022

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