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1. Which of these numbers can be classified as both real and irrational?

5.858585858

63.4

√21

√36

1 Which of these numbers can be classified as both real and irrational 5 858585858 63 4 21 36

Answer :

Answer:

sqrt21 is real and irrational

Step-by-step explanation:

The other answers are a repeating decimal (rational), a terminating decimal (rational) and a perfect square (an integer--so also rational)

They are all real. Numbers that are not real have the imaginary number, i, in them or a square root of a negative number.

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