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Potências de expoente inteiro

Authored by Dulce Carrelo

Mathematics

9th Grade

Used 46+ times

Potências de expoente inteiro
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

O valor da expressão  (34)3\ left (\ frac {3} {4} \ right) ^ {- 3}  é igual a:

 (34)3\left(\frac{3}{4}\right)^3  

 (34)3\left(-\frac{3}{4}\right)^3  

 (43)3\left(\frac{4}{3}\right)^3  

 (43)3\left(-\frac{4}{3}\right)^3  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 23+22=2^3+2^2=  

 212^1  

 262^6  

 252^5  

12

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

O valor da expressão (14)4×42\ left (\ frac {1} {4} \ right) ^ 4 \ times4 ^ 2  é igual a:

 (14)2\left(\frac{1}{4}\right)^{-2}  

 424^{-2}  

 424^2  

1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Determina o valor da expressão:  (74)3×(47)3=\left(\frac{7}{4}\right)^3\times\left(\frac{4}{7}\right)^3=  

e assinala a opção correta.

 (74)6\left(\frac{7}{4}\right)^{-6}  

 (74)6\left(\frac{7}{4}\right)^6  

0

1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (32)4=\left(3^2\right)^{-4}=  

 323^{-2}  

 (13)8\left(\frac{1}{3}\right)^8  

 (13)6\left(\frac{1}{3}\right)^6  

 38-3^8  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (5)101\ left (-5 \ right) ^ {101}  =

 5101-5^{101}  

 51015^{101}  

 (15)101\left(\frac{1}{5}\right)^{101}  

 (15)101\left(-\frac{1}{5}\right)^{101}  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

O sinal da expressão (13256025)2000\left(-\frac{1325}{6025}\right)^{2000}  

É positivo.

É negativo.

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