# Quiz 3

Question 1

Time: 00:00:00
If √15 = 3.88, then what is the value of √(5 / 3) ?

1.88

1.88

1.293

1.293

3.88

3.88

2.712

2.712

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Question 2

Time: 00:00:00
simplify: {(6.25 )1/2 × (0.0144)1/2 + 1} / {(0.027)1/3 × (81)1/4​}

0.1414

0.1414

0.1444

0.1444

1.41414

1.41414

1.4444

1.4444

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Question 3

Time: 00:00:00
If 22n–1 = 1 / 8n–3, then the value of n is:

3

3

2

2

Zero

Zero

-3

-3

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Question 4

Time: 00:00:00
Simplify: (256 / 576)1/4 × (64 / 27)–1/3 × (216 / 8)–1

1 / 2√6

1 / 2√6

1 / 3√6

1 / 3√6

1 / 8√6

1 / 8√6

1 / 18√6

1 / 18√6

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Question 5

Time: 00:00:00
(216 / 1)–2/3 ÷ (27 / 1)–4/3 = ?

9/4

9/4

4/9

4/9

64/81

64/81

81/16

81/16

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Question 6

Time: 00:00:00
Given √2 = 1.414 and the value of √8 + 2√32 – 3√128 + 4√50 is

4.242

4.242

8.484

8.484

16.968

16.968

2.121

2.121

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Question 7

Time: 00:00:00
$\frac{(243)^{\frac{n}{5}}\times 3^{2n+1}}{9^{n}\times 3^{n-1}}$=?

3

3

9

9

1

1

81

81

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Question 8

Time: 00:00:00
Simplify $3^{-2}\times 81^{\frac{3}{4}}\div (729)^{\frac{-1}{3}}$

3

3

9

9

27

27

81

81

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Question 9

Time: 00:00:00
If $\left (\left (\sqrt{\frac{16}{25}} \right )^{4x-9}\right )^3=\frac{64}{125}$, Find the value of 4x/5.

3

3

2

2

1

1

5

5

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