Quiz about Potências- revisões 7.º ano

Question 1

$$502^{32}\div502^{30}$$

Accepted Answer

$$502^2$$

Answer

$$1^2$$

Answer

$$502^{62}$$

Answer

$$1^{32}$$

Question 2

$$[(−2)^3]^4 imes3^{12}=$$

Accepted Answer

$$6^{12}$$

Answer

$$-6^{12}$$

Answer

$$\left(-6\right)^{19}$$

Answer

1

Question 3

$$(−3)^7\div(−3)^5−3^0=$$

Accepted Answer

8

Answer

9

Answer

-3

Answer

$$3^{12}$$

Question 4

$$3^2+3^3=$$

Accepted Answer

36

Answer

$$3^5$$

Answer

$$6^5$$

Answer

$$90$$

Question 5

$$\left(\frac{1}{2} ight)^5 imes\left(-\frac{2}{3} ight)^5=$$

Accepted Answer

$$\left(-\frac{1}{3}\right)^5$$

Answer

$$\left(-\frac{1}{3}\right)^{10}$$

Answer

$$\left(-\frac{2}{6}\right)^{10}$$

Answer

$$\left(\frac{1}{3}\right)^{25}$$

Question 6

$$\left(-\frac{2}{5}\right)^2\div\left(-\frac{2}{3}\right)^2=$$

Accepted Answer

$$\left(\frac{3}{5}\right)^2$$

Answer

$$\left(\frac{2}{15}\right)^2$$

Answer

$$\left(\frac{4}{15}\right)^2$$

Answer

$$\left(\frac{3}{5}\right)^0$$

Question 7

$$\left(\frac{1}{7} ight)^5 imes\left(\frac{1}{7} ight)^2\div\left(\frac{1}{7} ight)^6$$

Accepted Answer

$$\frac{1}{7}$$

Answer

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

Answer

$$\left(\frac{1}{7}\right)^{13}$$

Answer

$$\left(\frac{1}{7}\right)^6$$

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