No. It is 7, so it is a whole number and it can be written as a fraction, so it is rational.
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The √49 is 7. It is a rational number.
The negative square root of 49 is -7. -7 is whole, integer, and rational number. It's not a natural or irrational number.
Yes. For example, the square root of 3 (an irrational number) times the square root of 2(an irrational number) gets you the square root of 6(an irrational number)
It is a irrational number. Because the square root of every imperfect square is irrational number.
the square root of 26 is a irrational number