Quiz about Potencias (Refuerzo 2ºESO)

Question 1

Calcula: $$\left(\left(-3\right)^3.\left(-3\right)\right):\left(\left(-3\right)^2\ \right)^2=$$

Accepted Answer

1

Answer

-3

Answer

0

Answer

3

Question 2

Calcula: $$\left(-11\right)^4:\left(-11\right)^3=$$

Accepted Answer

$$-11$$

Answer

1

Answer

11

Answer

$$-11^7$$

Question 3

Expresa como potencia de exponente positivo: $$5^{-3}=$$

Accepted Answer

$$\frac{1}{5^3}$$

Answer

$$-5^3$$

Answer

$$\frac{1}{-5^3}$$

Answer

Ninguna es correcta

Question 4

En forma de potencia, $$\frac{1}{\left(-2\right)^5}$$ es:

Accepted Answer

$$\left(-2\right)^{-5}$$

Answer

$$2^{-5}$$

Answer

$$2^5$$

Answer

Ninguna es correcta

Question 5

Calcula: $$\left(\left(\frac{5}{7}\right)^2\right)^3:\left(\left(\frac{5}{7}\right)^3.\left(\frac{5}{7}\right)^2\right)=$$

Accepted Answer

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

Answer

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

Answer

1

Answer

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

Question 6

Calcula: $$\left(\frac{3}{5}\right)^{-4}:\left(\left(\frac{5}{3}\right)^2\right)^3=$$

Accepted Answer

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

Answer

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

Answer

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

Answer

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

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