Potencias de exponente entero y base racional

Potencias de exponente entero y base racional

9th Grade

16 Qs

quiz-placeholder

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Potencias de exponente entero y base racional

Potencias de exponente entero y base racional

Assessment

Quiz

Mathematics

9th Grade

Medium

Created by

Maria Canncino

Used 40+ times

FREE Resource

16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

La expresión es equivalente a: (35)2=\left(3\cdot5\right)^2=  

 3523\cdot5^2  

 3253^2\cdot5  

 6106\cdot10  

 32523^2\cdot5^2  

15

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

La expresión bb7=b\cdot b^7=  

 b5b^5  

 b6b^6  

 b8b^8  

 b7b^7  

 b6b^{-6}  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Potencia de una potencia :

Se mantiene la base y se suman los exponentes

Se mantiene la base y se multiplican los exponentes.

Se mantine la base y se restan los exponentes

Se mantiene la base y se dividen los exponentes

Se mantiene la base y los exponentes se radicalizan

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Todo número elevado a "1" da:

1

0

El mismo número

El inverso multiplicativo

El inverso aditivo

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Expresa como una única potencia:
 4454342=4\cdot4^5\cdot4^3\cdot4^2=  

 4104^{10}  

 4114^{11}  

 494^9  

 474^7  

Otro valor

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplifica las expresión siguiente utilizando las propiedades de las potencias:
 (2235)2(263)7\left(2^2\cdot3^5\right)^2\cdot\left(2^6\cdot3\right)^7  

219 · 314

28 · 35

246

246 · 317

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Calcula y expresa el resultado en forma de potencia de exponente positivo  (45)4: (45)2\left(\frac{-4}{5}\right)^{-4}:\ \left(\frac{-4}{5}\right)^{-2}  

 (54)2\left(\frac{-5}{4}\right)^2  

 (45)2\left(\frac{-4}{5}\right)^2  

 (45)2\left(\frac{-4}{5}\right)^{-2}  

 (54)2\left(\frac{5}{4}\right)^2  

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