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Earn +20 ptsQ: What is the sqaure root of 81?
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What is the square root of seven times the square root of seven?
7, because multiplying the same sqaure root cancels them.
Is 81 a irrational number?
No. 81 is a rational number. An irrational number is a number with an endless amount of digits like pi or the square root of 2.
What numbers are sqaure numbers?
49 11,4,9,25,100
Is the square root of -81 rational or irrational?
The square root of -81 is an imaginary number, specifically 9i, where i represents the imaginary unit equal to the square root of -1. Since the square root of -81 does not result in a real number, it is considered irrational. Rational numbers are those that can be expressed as a ratio of two integers, whereas irrational numbers cannot be expressed in this form.
What two integers does the square root of 94 lie BETWEEN?
The square root of 94 would lie between 9 (9x9=81) and 10 (10x10=100).
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