
Regras das potências
Authored by Claudia Pereira
Mathematics
Professional Development
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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
. Considera as seguintes afirmações:
(I) Para somar potências com a mesma base, mantém-se a base e somam-se os expoentes.
(II) 52 x 32 = 152
Seleciona a resposta correta.
(A) Ambas são falsas.
(B) (I) é falsa e (II) é verdadeira.
(C) (I) é verdadeira e (II) é falsa.
(D) Ambas são verdadeiras.
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual é o valor da expressão 23 × 53 ?
Seleciona a resposta correta.
(A) 73
(B) 106
(C) 1000
(D) 109
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Seleciona a opção que completa corretamente a frase.
Para dividir potências com a mesma base, mantém-se a base e ...
(A) dividem-se os expoentes.
(B) somam-se os expoentes.
(C) subtraem-se os expoentes.
(D) multiplicam-se os expoentes.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Seleciona a opção que completa corretamente a frase.
Para dividir potências com o mesmo expoente, mantém-se o expoente e ...
(A) somam-se as bases.
(B) subtraem-se as bases.
(C) multiplicam-se as bases.
(D) dividem-se as bases.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Seleciona a opção correta.
Para multiplicar duas potências com a mesma base, mantém-se a base e ...
(A) subtraem-se os expoentes.
(B) dividem-se os expoentes.
(C) somam-se os expoentes.
(D) multiplicam-se os expoentes.
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual é a opção que não representa o valor da expressão 75 : 75 ?
Seleciona a resposta correta.
(A) 70
(B) 75
(C) 15
(D) 1
7.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Indica as igualdades corretas
43 x 42 : 44 = 4
32 x 24 = 66
(52)3= 56
523= 56
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