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Potencias y Racionales

Authored by Profe Cecy

Mathematics

9th Grade

Used 3+ times

Potencias y Racionales
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12 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

¿Cuál de los siguientes números no es Racional?

 π\pi  

0,26

 0,536780,5\overline{3678}  

0

2.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

"Todos los decimales son Racionales"

Esta afirmación es:

VERDADERA

FALSA

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

El decimal  0,450,\overline{45}  expresado en fracción es:

 45100\frac{\text{45}}{100}  

 4510\frac{45}{10}  

 4590\frac{45}{90}  

 4599\frac{45}{99}  

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

El inverso multiplicativo de (34)\left(-\frac{3}{4}\right)  es:

 34\frac{3}{4}  

 (43)\left(-\frac{4}{3}\right)  

 43\frac{4}{3}  

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

El valor de (23)1\left(\frac{2}{3}\right)^{-1}  es:

 23\frac{-2}{3}  

 32\frac{3}{2}  

1

0

6.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

  Al aplicar la propiedad y expresar con exponente positivo en  (35)7÷(35)12\left(\frac{3}{5}\right)^7\div\left(\frac{3}{5}\right)^{12}  resulta:

 (35)5\left(\frac{3}{5}\right)^5  

 (35)19\left(\frac{3}{5}\right)^{19}  

 (53)5\left(\frac{5}{3}\right)^5  

 (53)19\left(\frac{5}{3}\right)^{19}  

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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

81

1/81

-81

-1/81

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