Quiz about Potências de Números Racionais Negativos

Question 1

Calcule $$\left(\frac{5}{7}\right)^{-1}$$ .

Accepted Answer

$$\frac{7}{5}$$

Answer

$$\frac{5}{7}$$

Answer

$$1$$

Answer

$$-\frac{7}{5}$$

Question 2

Determine o valor de $$\left(\frac{1}{2}\right)^{-4}$$ .

Accepted Answer

$$16$$

Answer

$$\frac{1}{16}$$

Answer

$$8$$

Answer

$$\frac{1}{8}$$

Question 3

Calcule $$\left(\frac{7}{3}\right)^{-2}$$ .

Accepted Answer

$$\frac{9}{49}$$

Answer

$$\frac{49}{9}$$

Answer

$$\frac{3}{7}$$

Answer

$$\frac{7}{3}$$

Question 4

Calcule $$\left(\frac{4}{9}\right)^{-2}$$ .

Accepted Answer

$$\frac{81}{16}$$

Answer

$$\frac{16}{81}$$

Answer

$$\frac{9}{4}$$

Answer

$$\frac{4}{9}$$

Question 5

Determine o valor de $$\left(\frac{3}{8}\right)^{-2}$$ .

Accepted Answer

$$\frac{64}{9}$$

Answer

$$\frac{9}{64}$$

Answer

$$\frac{8}{3}$$

Answer

$$\frac{3}{8}$$

Question 6

Calcule $$\left(\frac{6}{11}\right)^{-1}$$ .

Accepted Answer

$$\frac{11}{6}$$

Answer

$$\frac{6}{11}$$

Answer

$$1$$

Answer

$$-\frac{11}{6}$$

Question 7

Calcule $$\left(\frac{1}{3}\right)^{-3}$$ .

Accepted Answer

$$27$$

Answer

$$\frac{1}{27}$$

Answer

$$9$$

Answer

$$\frac{1}{9}$$

Question 8

Determine o valor de $$\left(\frac{2}{7}\right)^{-2}$$ .

Accepted Answer

$$\frac{49}{4}$$

Answer

$$\frac{4}{49}$$

Answer

$$\frac{7}{2}$$

Answer

$$\frac{2}{7}$$

Question 9

Calcule $$\left(\frac{3}{5}\right)^{-3}$$ .

Accepted Answer

$$\frac{125}{27}$$

Answer

$$\frac{27}{125}$$

Answer

$$\frac{5}{3}$$

Answer

$$\frac{3}{5}$$

Potências de Números Racionais Negativos

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