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Potenciación y radicación de números racionales

Authored by Viviana Valiente

Mathematics

7th - 8th Grade

10 Questions

CCSS covered

Used 251+ times

Potenciación y radicación de números racionales
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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Al calcular  (43)3\left(-\frac{4}{3}\right)^3  

 169\frac{16}{9}  

 6427-\frac{64}{27}  

 43-\frac{4}{3}  

 129\frac{12}{9}  

Tags

CCSS.6.EE.A.1

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

La potencia  (25)1\left(\frac{2}{5}\right)^{-1}  es igual a:

 25\frac{2}{5}  

 425\frac{4}{25}  

 52\frac{5}{2}  

0,4

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.3

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

El signo de la potencia de  (37)5\left(-\frac{3}{7}\right)^5  es:

negativo

ninguno

impar

positivo

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Al calcular  144225\sqrt{\frac{144}{225}}  es:

 16\frac{1}{6}  

 54\frac{5}{4}  

 45\frac{4}{5}  

ninguna de las anteriores

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 3125216^3\sqrt{-\frac{125}{216}}  es igual a:

 56\frac{5}{6}  

 56-\frac{5}{6}  

 65\frac{6}{5}  

ninguna de las anteriores

Tags

CCSS.8.EE.A.2

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (13)4\sqrt{\left(\frac{1}{3}\right)^4}  es igual a :

 13\sqrt{\frac{1}{3}}  

 29\frac{2}{9}  

 13\frac{1}{3}  

 19\frac{1}{9}  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

La simplificación de  5(23)25^5\sqrt{\left(\frac{2}{3}\right)^{25}}  es:

 32243\frac{32}{243}  

 49\frac{4}{9}  

 1681\frac{16}{81}  

 23\sqrt{\frac{2}{3}}  

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