Se Liga - Potenciação - 9º Ano - 1º Tri - Mat
Interactive Video
•
Mathematics
•
9th Grade
•
Hard
CAMILA WERLE
Used 9+ times
FREE Resource
19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Se é 25 quer dizer que será:
5 x 5 = 25
2 x 2 x 2 x 2 x 2 = 32
2 x 5 = 10
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Segundo o exemplo, qual potência abaixo aplica-se a mesma propriedade?
(-2)3
(2)-2
(-2)2
3.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
A expressão (-3)2 = -32 é correta? Justifique.
Sim, é correta porque ambas as potências resultam em 9
Não, é incorreta, pois
(-3)2 = 9
e
-32 = -9
É correta, pois os parênteses não importam
É incorreta, pois os parênteses importam
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Sempre que o sinal é negativo:
inverte a base e troca o sinal do expoente
inverte a base e permanece o sinal do expoente
mantem a base e troca o sinal do expoente
mantem a base e não troca o sinal do expoente
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Produto de mesma base, repete a base e soma-se os expoentes, assinale a alternativa que essa propriedade se aplica
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Divisão de mesma base, ______ os expoentes
divide
soma
multiplica
diminui
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