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Bjoerg · Answer 1 · 2019-04-24T06:29:59+0000

-2/3 is a rational number
0.1111.... =1/9 - rational number

-2/3*1/5= -2/15 rational

1/9*1/5=1/45 rational
correct answer A and D

π and √11 are irrational numbers, and when they are multiplied by rational number, they will give irrational number.

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