Curta 1 - Potências de expoente inteiro e notação científica

Curta 1 - Potências de expoente inteiro e notação científica

8th Grade

16 Qs

quiz-placeholder

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Curta 1 - Potências de expoente inteiro e notação científica

Curta 1 - Potências de expoente inteiro e notação científica

Assessment

Quiz

Mathematics

8th Grade

Hard

Created by

Luís ProfDMCE

Used 18+ times

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16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

O valor de  (23)2\left(\frac{2}{3}\right)^2 é igual a:

 46\frac{4}{6}  

 49\frac{4}{9}  

 (32)2\left(\frac{3}{2}\right)^2  

 43\frac{4}{3}  

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Verdadeiro ou falso.
 (0,2)0=1\left(-0,2\right)^0=1  

Verdadeiro

Falso

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

O valor de  324\frac{3^2}{4} é igual a:

 64\frac{6}{4}  

 34\frac{3}{4}  

 94\frac{9}{4}  

 (34)2\left(\frac{3}{4}\right)^2  

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

O valor de  414^{-1}  é igual ...

 44  

 00  

 11  

 14\frac{1}{4}  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (23)3÷(23)2\left(\frac{2}{3}\right)^3\div\left(\frac{2}{3}\right)^{-2}  é igual ...

 23\frac{2}{3}  

 (23)1\left(\frac{2}{3}\right)^{-1}  

 (23)5\left(\frac{2}{3}\right)^5  

 (23)5\left(\frac{2}{3}\right)^{-5}  

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 (1)26-\left(-1\right)^{26}  é igual ...

 11  

 1-1  

 2626  

 26-26  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Qual das potências representa  18\frac{1}{8} ?

 232^3  

 (12)4\left(\frac{1}{2}\right)^4  

 232^{-3}  

 (12)2\left(\frac{1}{2}\right)^2  

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