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Quizzes Created: 1 | Total Attempts: 7,682
Quest�es: 8 | Attempts: 7,682

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• 1.

### Qual é a Raíz de 576?

• 2.

• A.

25

• B.

45

• C.

5

• D.

35

• E.

15

A. 25
Explanation

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• 3.

• A.

2,2390679504

• B.

2,2360679774

• C.

2,4494897427

• D.

2,6457593180

• E.

2,6457513110

E. 2,6457513110
Explanation
The correct answer is 2,6457513110 because it is the decimal number that is closest to the square root of 7.

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• 4.

### Quais são os números entre 0 e 20 que possuem raiz quadrada exata?

• A.

1, 5, 9 e 16

• B.

0, 1, 4 e 9

• C.

1, 4, 9 e 16

• D.

0, 1, 4, 9 e 16

• E.

4, 9 e 16

C. 1, 4, 9 e 16
Explanation
The numbers 1, 4, 9, and 16 are the numbers between 0 and 20 that have exact square roots.

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• 5.

### Resolva a potência 9³.

• A.

729

• B.

81

• C.

9

• D.

27

• E.

37

A. 729
Explanation
The given question is asking to solve the power of 9 to the power of 3. In other words, it is asking to multiply 9 by itself 3 times. This can be calculated as 9 x 9 x 9 = 729. Therefore, the correct answer is 729.

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• 6.

• A.

4, 36

• B.

6, 36

• C.

4, 64

• D.

6, 64

• E.

5, 59

A. 4, 36
Explanation
The given question asks for the respective results of the square root of 16 and the power of 6 squared. The square root of 16 is 4 because 4 multiplied by itself equals 16. The power of 6 squared is 36 because 6 multiplied by itself equals 36. Therefore, the correct answer is 4, 36.

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• 7.

### Mariana tinha 121 balas ela prometeu dar a raiz quadrada de suas balas a seu primo Igor. Depois de dar as balas para seu primo, deu 27 balas a sua irmã mais nova. Com quantas balas ficou Mariana?

• A.

Mariana ficou com 94 balas

• B.

Mariana ficou com 84 balas

• C.

Mariana ficou com 93 balas

• D.

Mariana ficou com 110 balas

• E.

Mariana ficou com 83 balas

E. Mariana ficou com 83 balas
Explanation
Mariana tinha inicialmente 121 balas. Ela prometeu dar a raiz quadrada de suas balas a seu primo Igor, que seria a raiz quadrada de 121, ou seja, 11 balas. Depois disso, ela deu 27 balas a sua irmã mais nova. Portanto, Mariana ficou com 121 - 11 - 27 = 83 balas.

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• Current Version
• Mar 21, 2023
Quiz Edited by
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• Sep 15, 2014
Quiz Created by
Jusenpai