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Sub 505 (Easy)|   Algebra|   Exponents|   Roots|      
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Bunuel
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(400^(1/2))^3/2 03 Jan 2017, 02:43
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B
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5% (low)

Question Stats:

88% (00:49) correct 12% (01:01) wrong based on 382 sessions

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\(\frac{(\sqrt{400})^3}{2}\)

A. 8000
B. 4000
C. 2000
D. 1000
E. 500
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B
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(400^(1/2))^3/2 03 Jan 2017, 03:46
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b : 4000

400^3/2 = 8000

8000/2 = 4000
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Abhishek009
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(400^(1/2))^3/2 03 Jan 2017, 09:00
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Bunuel
\(\frac{(\sqrt{400})^3}{2}\)

A. 8000
B. 4000
C. 2000
D. 1000
E. 500
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\(\sqrt{400} = 20\)

\(20^3 = 8000\)

\(\frac{8000}{2} = 4000\)

Hence, answer will be (B) 4000
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(400^(1/2))^3/2 04 Jan 2017, 08:29
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Bunuel
\(\frac{(\sqrt{400})^3}{2}\)

A. 8000
B. 4000
C. 2000
D. 1000
E. 500
Show more

Since √400 = 20, (√400)^3 = 20^3 = 8,000

Finally, we are left with:

8,000/2 = 4,000

Answer: B
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(400^(1/2))^3/2 17 Jan 2017, 17:32
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(400)^{\(\frac{3}{2}\)}
(2 x 10)^{2} x \(\frac{3}{2}\)
(20)^\(\frac{3}{2}\)
4000
B
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(400^(1/2))^3/2 30 Jul 2025, 20:41
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