Free Printable Степени-3 вариант

1.

$81^{-\frac{3}{4}}=$

a)

$\frac{2}{7}$

b)

$\frac{1}{27}$

c)

$\frac{6}{16}$

d)

$45$

2.

$\left(\frac{27}{256}\right)^{-\frac{1}{3}}=$

a)

$\frac{4}{3}$

b)

$\frac{3}{4}$

c)

$\frac{1}{3}$

d)

31

3.

$5^{0,9}.^{ }5^{\frac{1}{5}}.5^{-0,3}.5^{3\ \frac{1}{5}}=$

a)

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

b)

$\frac{5}{3}$

c)

$5^{\frac{5}{12}}$

d)

$5^{\frac{12}{5}}$

4.

$\frac{3^{0,25}.3^{-2\ \frac{1}{2}}}{3^{-\frac{6}{5}},3^{\frac{2}{4}}}=$

a)

$\sqrt[20]{3^{31}}$

b)

$\sqrt[13]{4^{34}}$

c)

$\sqrt[32]{3^{15}}$

d)

312

5.

$\left(0,000001\right)^{-\frac{1}{6}}=$

a)

0,6

b)

16

c)

10

d)

61

6.

$\left(\frac{2^{0,6}.5^{\frac{2}{3}}}{2^{\frac{3}{2}}.5^{\frac{8}{3}}}\right)^{\frac{-1}{2}}=$

a)

$\frac{1}{25}$

b)

$\frac{5}{16}$

c)

$\frac{5}{10}$

d)

10

7.

$\lceil\left(\frac{1}{\sqrt[5]{5}}\right)^{\sqrt[3]{625}}\rceil^{\sqrt[3]{25}}\ \ =$

a)

$\frac{1}{2033}$

b)

$\frac{1}{3025}$

c)

$\sqrt[4]{34}$

d)

345

8.

$2^{-\frac{2}{7}}<3^{\frac{3}{4}}$ Вярно ли е твърдението?

a)

може би

b)

не знам

c)

да

d)

не

9.

$\left(\frac{1}{4}\right)^{\sqrt[]{4}}<\left(\frac{1}{4}\right)^{\sqrt[]{3}}$ Вярно ли е неравенството?

a)

не

b)

не знам

c)

може би

d)

да

10.

$\left(\sqrt[5]{\sqrt[4]{\sqrt[3]{\sqrt[]{36}}}}\right)^{\frac{1}{6\ }}\ <\left(\sqrt[3]{\sqrt[4]{\sqrt[6]{6}}}\right)^{\frac{1}{2}}$ Вярно ли е неравенството?

a)

не

b)

не знам

c)

да

d)

трудно е

Степени-3 вариант

Total questions: 10

Worksheet time: 5mins

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