Números racionais: Potenciação

Números racionais: Potenciação

7th Grade

12 Qs

quiz-placeholder

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Números racionais: Potenciação

Números racionais: Potenciação

Assessment

Quiz

Mathematics

7th Grade

Hard

Created by

Luís Fernando

Used 12+ times

FREE Resource

12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Calcule:

 212^{-1} 

 22 

 12\frac{1}{2} 

 2-2 

 12-\frac{1}{2} 

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt


Classifique:
 32=193^{-2}=\frac{1}{9} 

Verdadeiro

Falso

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Calcule:
 (1,1)2\left(1,1\right)^2 

 2,22,2 

 3,23,2 

 1,211,21 

 12,112,1 

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Calcule:
 (53)1\left(\frac{5}{3}\right)^{-1} 

 53\frac{5}{3} 

 53-\frac{5}{3} 

 35-\frac{3}{5} 

 35\frac{3}{5} 

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Classifique:
 (23)2=94\left(-\frac{2}{3}\right)^{-2}=\frac{9}{4} 

Verdadeiro

Falso

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Calcule:
 (12)3\left(-\frac{1}{2}\right)^{-3} 

 8-8 

 18-\frac{1}{8} 

 88 

 18\frac{1}{8} 

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Classifique:
 (3,2)2=6,4\left(3,2\right)^2=6,4 

Verdadeiro

Falso

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