Question 1

Calcula $(-\frac{2}{5})^2$

Accepted Answer

$\frac{4}{25}$

Answer

$\frac{4}{10}$

Answer

$-\frac{4}{25}$

Answer

$-\frac{4}{10}$

Question 2

Calcula $(-1)^{24}+1234^0-(-1)^{73}$

Accepted Answer

$3$

Answer

$2$

Answer

$0$

Answer

$1234$

Question 3

Usa as regras operatórias das potências para calcular o valor de $(-6)^7\div(-6)^4\div(-3)^3$

Accepted Answer

8

Answer

-5

Answer

6

Answer

-3

Question 4

Indica o valor de $\frac{2^5}{2^8}$ na forma de uma única potência

Accepted Answer

$2^{-3}$

Answer

$4^{3}$

Answer

$2^{3}$

Answer

$2^{13}$

Question 5

Descobre o valor de  $0^0+1^0+(-51)^0+(-1)^{234}+(-1)^{15}$

Accepted Answer

3

Answer

1

Answer

0

Answer

5

Question 6

Indica o valor de $(-3)^5	imes(-3)^2$ na forma de uma única potência

Accepted Answer

$(-3)^7$

Answer

$(-3)^{10}$

Answer

$9^{10}$

Answer

$9^7$

Question 7

Indica o valor de $12^5\div4^5$ na forma de uma única potência

Accepted Answer

$3^5$

Answer

$3^{10}$

Answer

$3^1$

Answer

$4^5$

Question 8

Indica o valor de $(7^2)^3$ na forma de uma única potência

Accepted Answer

$7^{6}$

Answer

$7^{5}$

Answer

$7^{-1}$

Answer

$7^{8}$

Question 9

Indica o valor de $((-\frac{1}{3})^{2^3})	imes(6^{2})^{4}\div(-2)^5$

Accepted Answer

$(-2)^3$

Answer

$3^8$

Answer

$(-\frac{1}{3})^8$

Answer

$2^3$

Question 10

Indica o valor de $x$ na seguinte igualdade $15^2	imes15^x=15^{10}$

Accepted Answer

$x=8$

Answer

$x=-5$

Answer

$x=-8$

Answer

$x=5$

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