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PRÁCTICA DE TEORÍA DE EXPONENTES

Authored by Katherine Rodríguez

Mathematics

7th - 8th Grade

7 Questions

Used 4+ times

PRÁCTICA DE TEORÍA DE EXPONENTES
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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Cuál es el valor de  M=31+32M=3^{-1}+3^{-2}  

 M=112M=\frac{1}{12}  

 M=49M=\frac{4}{9}  

 M=29M=\frac{2}{9}  

 M=23M=\frac{2}{3}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

El exponente final de "x" en  x2. x6\sqrt{x^2.\ x^6}  es:

4

8

2

1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Aplicando la propiedad, cuál es la expresión final de  16×144\sqrt{16\times144}   .

 16×144\sqrt{16}\times\sqrt{144}  

 160\sqrt{160}  

 16+144\sqrt{16+144}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Luego de reducir (a2a3a4)÷(a8a6a13)\left(a^2\cdot a^3\cdot a^4\right)\div\left(a^8\cdot a^6\cdot a^{-13}\right) , el exponente de  aa  es:

1

8

-18

18

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplifique el valor de A, donde A=(137)36+53A=\left(\frac{1}{3^7}\right)\cdot3^6+\frac{5}{3}  

A=4

A=2

A=1

A=6

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Determina el valor de B, donde B=8141B=81^{4^{-1}} 

B= 81

B=9

B=3

B=27

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calcula el valor de D, done D=(273+4010+25)D=\left(\sqrt{\frac{27}{3}}+\sqrt{\frac{40}{10}}+\sqrt{25}\right) 

 D=7D=7  

 D=5D=5  

 D=10D=10  

 D=7D=\sqrt{7}  

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