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Which of these numbers can be classified as both a real number and a rational 1/2 -1.016879413894 square root of 5 0.89089908999
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4 votes
Which of these numbers can be classified as both a real number and a rational

1/2
-1.016879413894
square root of 5
0.89089908999

User Charlez
by
8.2k points

1 Answer

3 votes
A rational number is a number that has a decimal place that does end:
1/2 = 0.5
√5 = 2.23606...

A real number is a number with a decimal place, so...
1/2 fits both categories

Hope this helps! :)
User Irvin Chan
by
8.3k points
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