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Compute the value
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29 Apr 2018, 00:14
29 Apr 2018, 00:14
Expert Reply
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Question Stats:
80% (00:21) correct
19% (00:24) wrong based on 72 sessions
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Re: Compute the value
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04 May 2018, 04:22
04 May 2018, 04:22
1
As there is + inside square, we cannot get the number our without adding them. 81+9 =90
Hence answer
Hence answer
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Re: Compute the value
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04 May 2018, 09:13
04 May 2018, 09:13
sandy wrote:
\(\sqrt{81+9}\)
A. 9
B.10
C. \(3\sqrt{10}\)
D. 12
E. 30
A. 9
B.10
C. \(3\sqrt{10}\)
D. 12
E. 30
To simplify this expression, we'll use the following rule: √(ab) = (√a)(√b)
So, √(81 + 9) = √90
= √[(9)(10)]
= (√9)(√10)
= 3√10
Answer: C
Cheers,
Brent
