# Operações Com Números Decimais.

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| By MAURICIOMUNHOZ
M
MAURICIOMUNHOZ
Community Contributor
Quizzes Created: 1 | Total Attempts: 7,685
Quest�es: 10 | Attempts: 7,704  Settings  Desafio das 10 questões.

• 1.

### Olá, Vamos Realizar um teste de Matemática. após você o terminar a ATIVIDADE deverá apresentar o caderno ao professoro Maurício , e ele vai VERIFICAR quantos Carimbos irá  receber pela ATIVIDADE realizada. Vamos a ELA.  Resolva Como abaixo Operações: I) 2 x 2,14 =

• A.

A) 327

• B.

B) 428

• C.

C) 3,27

• D.

D) 4,28

D. D) 4,28
Explanation
The correct answer is d) 4,28. This is the correct answer because when you multiply 2 by 2.14, you get 4.28.

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• 2.

### II) 2,314 x 5

• A.

A) 11,570

• B.

B) 11570

• C.

C) 13,125

• D.

D) 6,125

A. A) 11,570
Explanation
To find the product of 2,314 and 5, we multiply the two numbers together. 2,314 multiplied by 5 equals 11,570. Therefore, the correct answer is a) 11,570.

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• 3.

### III) de 2,4 x 1,4 =

• A.

A) 2,78

• B.

B) 4,78

• C.

C) 3,36

• D.

D) 378

C. C) 3,36
Explanation
The given expression is a multiplication problem. To solve it, we multiply 2.4 by 1.4. The product of 2.4 and 1.4 is 3.36. Therefore, the correct answer is c) 3.36.

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• 4.

### IV) 2,17: 1,5 =

• A.

A) 1,3

• B.

B) 14

• C.

C) 1,4

• D.

D) 1,4466...

D. D) 1,4466...
Explanation
In the given question, the numbers 2 and 17 are divided by 1 and 5 respectively. When we divide 2 by 1, we get the result as 2. Similarly, when we divide 17 by 5, we get the result as 3.4. Hence, the correct answer is d) 1,4466...

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• 5.

### V) 5,135 + 103,61 + 237,402 =

• A.

A) 12,345

• B.

B) 34,654

• C.

C) 346,147

• D.

D) 345,345

C. C) 346,147
• 6.

### V) 100 - 49,99 =

• A.

A) 50,01

• B.

B) 51

• C.

C) 51,99

• D.

D) 52

A. A) 50,01
Explanation
The given equation is subtracting 49.99 from 100. To find the answer, we subtract the decimal value from the whole number. Therefore, 100 - 49.99 equals 50.01.

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• 7.

### IX) 1,2 : 0,6 =

• A.

A) 0,02

• B.

B) 200

• C.

C) 0,2

• D.

D) 2

D. D) 2
Explanation
The given equation is 1 divided by 2 equals 0 divided by 6. When dividing any number by zero, the result is undefined. Therefore, the equation is undefined and does not have a numerical value. Therefore, the correct answer is d) 2.

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• 8.

### VIII) 2,16 - 1,855 =

• A.

A) 0,305

• B.

B) 305

• C.

C) 1,305

• D.

D) 2,305

A. A) 0,305
Explanation
The calculation 2,16 - 1,855 equals 0,305. This can be determined by subtracting the decimals separately, subtracting 1 from 2 (which equals 1), and subtracting 855 from 1600 (which equals 745). Combining these results gives a final answer of 0,305.

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• 9.

### VII) 5,135 + 103,61 + 237,402 =

• A.

A) 12,345

• B.

B) 34,654

• C.

C) 346,147

• D.

D) 345,345

C. C) 346,147
Explanation
The correct answer is c) 346,147. The given problem involves adding three numbers together. When we add 5,135, 103,61, and 237,402, we get a sum of 346,147.

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• 10.

### VI) 2,1+ 13,8 + 7 =

• A.

A) 45,136

• B.

B) 16,606

• C.

C) 15,24

• D.

D) 22,9 Back to top