Free Printable Potencias 1°C

1.

$21^{-8}.21^{19}.21^{13}$

a)

$21^{19}$

b)

$21^3$

c)

$21^{24}$

d)

$21^{11}$

2.

$\frac{\left(7,5\right)^{-18}}{\left(7,5\right)^{20}}$

a)

$\frac{1}{\left(7,5\right)^{38}}$

b)

$\frac{1}{7,5}$

c)

$\left(7,5\right)^2$

d)

$\left(7,5\right)^{38}$

3.

$\left(\left(11^{-5}\right)^{-8}\right)^4=$

a)

$11^{-160}$

b)

$\frac{1}{11^{11}}$

c)

$\frac{1}{11^{120}}$

d)

$11^{160}$

4.

$\left(\frac{4}{9}\right)^7.\left(\frac{9}{4}\right)^{-6}=$

a)

$1$

b)

$\frac{4^{13}}{9}$

c)

$\frac{4^{ }}{9^{-1}}$

d)

$\frac{4^{13}}{9^{13}}$

5.

$\frac{10^5.6^5.2^5.}{120^{-5}}$

a)

$120^{10}$

b)

$\frac{1}{120^{10}}$

c)

$120$

d)

$120^5$

6.

$\left(0,7\right).\left(0,7\right)^6.\left(0,7\right)^{-9}.\left(0,7\right)^{-4}=$

a)

$\frac{1}{\left(0,7\right)^{20}}$

b)

$\left(0,7\right)^{20}$

c)

$\left(0,7\right)^6$

d)

$\frac{1}{\left(0,7\right)^6}$

7.

$\frac{12^6}{5^6}=$

a)

$\frac{12}{5^6}$

b)

$\left(\frac{12}{5}\right)^6$

c)

$\frac{12^6}{5}$

d)

$\frac{12}{5}.6$

8.

$\frac{9^{-10}.9^2}{9^7.9^{-9}}=$

a)

$\frac{1}{9^6}$

b)

$\frac{1}{9^{10}}$

c)

$9^{10}$

d)

$9^6$

9.

¡Qué valor debe ir en el espacio en blanco para que ambas expresiones valgan lo mismo? $\left(\frac{10}{ }\right)^4=\frac{10000}{81}$

a)

$3$

b)

$6$

c)

$3$

d)

$9$

10.

$\frac{1}{6^5}.6^3.6^{-11}=$

a)

$6^{13}$

b)

$\frac{1}{6^{13}}$

c)

$\frac{1}{6^8}$

d)

$\frac{1}{6^8}$

11.

$11^{-24}.11^0.11^{14}.11^{-9}.11^9.11.11^{10}=$

a)

$11$

b)

$1$

c)

$11^{10}$

d)

$11^{19}$

12.

$\left(\left(0,4^6\right)^0\right)^{-3}=$

a)

$\left(0,4\right)^3$

b)

$\left(0,4\right)^{-3}$

c)

$\left(0,4\right)^9$

d)

$1$

13.

$x^8.x.x^{-6}=$

a)

$x^2$

b)

$x^{15}$

c)

$x^9$

d)

$x^3$

14.

$\frac{m^8}{m^5}=$

a)

$m^{13}$

b)

$m^3$

c)

$m^{-3}$

d)

$m^{40}$

15.

$\frac{4^5.4^9.2^7}{8^3.2}=$

a)

$\frac{8^{18}}{32^3}$

b)

$\frac{4^{28}}{8^4}$

c)

$\frac{4^{14}.2^7}{8^3.4}$

d)

$2^{25}$

16.

$\frac{1}{\left(0,25\right)^{-8}.\left(0,25\right)^{12}}.\left(0,25\right)^{-9}.\left(0,25\right)^6.\left(0,25\right)^3=$

a)

$\left(0,25\right)^{-4}$

b)

$\left(0,25\right)^4$

c)

$\left(0,25\right)^{-22}$

d)

$\left(0,25\right)^{19}$

Potencias 1°C

Total questions: 16

Worksheet time: 13mins

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