Desafio_ 8ºB_ Potências_2022-2023

Desafio_ 8ºB_ Potências_2022-2023

8th Grade

18 Qs

quiz-placeholder

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Desafio_ 8ºB_ Potências_2022-2023

Desafio_ 8ºB_ Potências_2022-2023

Assessment

Quiz

Mathematics

8th Grade

Medium

Created by

Andreia Tavares

Used 4+ times

FREE Resource

18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 1523×1516=?15^{23}\times15^{16}=?  

 153715^{37}  

 153015^{30}  

 153915^{39}  

 153315^{33}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 1814÷914=?18^{14}\div9^{14}=?  

 9149^{14}  

 2142^{14}  

 111411^{14}  

 909^0  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1310+139=131913 ^ {10} + 13 ^ 9 = 13 ^ {19}  

Verdadeiro

Falso

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

 (1015)15÷(1015)10=10510\left(\frac{10}{15}\right)^{15}\div\left(\frac{10}{15}\right)^{10}=\frac{10^5}{10}  

Verdadeiro

Falso

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual é o resultado desta expressão 93×13  ?9 ^ 3 \ times1 ^ 3 \ \? 

 11311^3  

 939^3  

 969^6  

 838^3  

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Ao multiplicar potências com  mesma base ...

multiplicam-se os expoentes e mantem-se base.

subtraim-se  os expoentes e mantem-se base. 

mantem-se o expoente e dividem-se bases.

somam-se  os expoentes e mantem-se base.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Como se calcula uma expressão:  189÷9918 ^ 9 \ div9 ^ 9  ?

 (189)9\left(18-9\right)^9  

 (18×9)9\left(18\times9\right)^9  

 (18÷9)9\left(18\div9\right)^9  

 (18+9)9\left(18+9\right)^9  

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