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Conjunto |R

Authored by Lígia Sousa

Mathematics

7th - 8th Grade

CCSS covered

Used 3+ times

Conjunto |R
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12 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Qual é o maior?

2.3×1052.3\times10^{-5}

5.4×1065.4\times10^{-6}

3.7×1053.7\times10^{-5}

1.1×1041.1\times10^{-4}

Tags

CCSS.8.EE.A.3

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 (9.84×1015)×(1.23×1015)\left(9.84\times10^{15}\right)\times\left(1.23\times10^{15}\right) 
 =(9.84×1.23)×1015=\left(9.84\times1.23\right)\times10^{15}  
 

verdadeiro

falso

Tags

CCSS.8.EE.A.3

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 1.3×107>4.8×1061.3\times10^7>4.8\times10^6  

verdadeiro

falso

Tags

CCSS.8.EE.A.3

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 (34) 2 ×(34) 5\left(-\frac{3}{4}\right)\ ^{2\ }\times\left(-\frac{3}{4}\right)\ ^{-5}  =

 (34) 3\left(-\frac{3}{4}\right)\ ^{-3}  

 (34) 2\left(-\frac{3}{4}\right)\ ^{-2}  

 (34) 2\left(-\frac{3}{4}\right)\ ^2  

 (43)3\left(-\frac{4}{3}\right)^{-3}  

Tags

CCSS.8.EE.A.1

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 (14)4÷(13)4×(34)5\left(-\frac{1}{4}\right)^4\div\left(-\frac{1}{3}\right)^4\times\left(\frac{3}{4}\right)^{-5}  =

 916\frac{9}{16}  

 34\frac{3}{4}  

 916-\frac{9}{16}  

 43\frac{4}{3}  

Tags

CCSS.8.EE.A.1

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Uma escola tem o seguinte número de alunos:

 1×103+3×102 +7×101+4×1001\times10^3+3\times10^{2\ }+7\times10^1+4\times10^0 

Quantos alunos tem a escola?

 1374013740  

 13741374  

 14731473  

 134134  

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Qual dos seguintes números pode ser representado por uma dízima infinita não periódica?

7\sqrt{7}

17\frac{1}{7}

64\sqrt{64}

164\frac{1}{64}

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