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Potências

Authored by Maria Alves

Mathematics

8th Grade

Used 76+ times

Potências
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 32+34=3^2+3^4=  

 363^6  

 666^6  

90

18

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (12)3(1)3×81=\left(-\frac{1}{2}\right)^3-\left(-1\right)^3\times8^{-1}=  

-27

0

 78\frac{7}{8}  

 764\frac{7}{64}  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 50230÷50232=502^{30}\div502^{32}=  

 121^2  

 5022502^2  

 50262502^{62}  

 (1502)2\left(\frac{1}{502}\right)^2  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 35÷3730=3^{-5}\div3^{-7}-3^0=  

8

9

 89-\frac{8}{9}  

 3123^{12}  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 n4×n3÷n9=n^4\times n^3\div n^9=  

 n2n^2  

 n3n^3  

 n3n^{-3}  

 (1n)2\left(\frac{1}{n}\right)^2  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 1125\frac{1}{125}  =

 5255^{25}  

 535^{-3}  

 153\frac{1}{5^{-3}}  

 1525\frac{1}{5^{25}}  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Seja  a   um número maior do que 1.
 (a4)3a5=\frac{\left(a^4\right)^3}{a^5}=  

 a2a^2  

 a7a^7  

 a12a^{12}  

 a17a^{17}  

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