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sqrt of 30* sqrt of 5 or 12

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sqrt of 30* sqrt of 5 or 12 [#permalink] New post   22 Feb 2023, 06:40
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Quantity A
Quantity B
\(\sqrt{30} * \sqrt{5}\)
12




A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
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briannahuff
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Re: sqrt of 30* sqrt of 5 or 12 [#permalink] New post   05 Mar 2023, 08:49
For A, I received the answer 12..why are they not equal?
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Re: sqrt of 30* sqrt of 5 or 12 [#permalink] New post   05 Mar 2023, 09:03
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\(\sqrt{30} * \sqrt{5}=\sqrt{30*5}=\sqrt{150}\)

\((\sqrt{150})^2\)\(=150\)

\(12^2=144\)

A > B
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Re: sqrt of 30* sqrt of 5 or 12 [#permalink]
05 Mar 2023, 09:03
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