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Matemática

Authored by Maria Alves

Mathematics

7th Grade

Used 177+ times

Matemática
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 25+3×36=\sqrt{25}+3\times\sqrt{36}=  

48

36

23

25

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 73×72=7^3\times7^2=  

 767^6  

 49549^5  

 49649^6  

 757^5  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (3)4×(3)5=\left(-3\right)^4\times\left(-3\right)^5=  

 (3)9\left(-3\right)^9  

 999^9  

 393^9  

 (3)20\left(-3\right)^{20}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (14)3×(14)2=\left(-\frac{1}{4}\right)^3\times\left(-\frac{1}{4}\right)^2=  

 (14)6\left(-\frac{1}{4}\right)^6  

 (116)5\left(-\frac{1}{16}\right)^5  

 (14)5\left(-\frac{1}{4}\right)^5  

 (+116)5\left(+\frac{1}{16}\right)^5  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (4)10÷(4)5=\left(-4\right)^{10}\div\left(-4\right)^5=  

 (4)15\left(-4\right)^{15}  

 (4)2\left(-4\right)^2  

 (4)5\left(-4\right)^5  

 454^5  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (27)3÷(13)3=\left(-\frac{2}{7}\right)^3\div\left(-\frac{1}{3}\right)^3=  

 (67)3\left(-\frac{6}{7}\right)^3  

 (27)3\left(\frac{2}{7}\right)^3  

 (221)3\left(\frac{2}{21}\right)^3  

 (67)3\left(\frac{6}{7}\right)^3  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (2)5×(2)3÷(2)5=\left(-2\right)^5\times\left(-2\right)^3\div\left(-2\right)^5=  

 (2)13\left(-2\right)^{13}  

 (2)3\left(-2\right)^3  

 (2)7\left(-2\right)^7  

 232^3  

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