
Números e Álgebra
Authored by Maria Alice Monoo Pereira
Mathematics
1st Grade
Used 15+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Todo número elevado a potência 0 (zero) é igual a:
1
0
a ele mesmo
-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual o resultado da operação a seguir:
(-34) - (-25)
-59
39
-19
-9
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule o valor da expressão:
(-2).(-5) + (-3).(3)
-1
19
-19
1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
No produto de potências de mesma base: an . am = an + m
multiplico as bases e somo os expoentes
conservo a base e
somo o valor dos expoentes e
multiplico o valor dos expoentes e multiplico as bases
somo os expoentes e multiplico as bases
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na potência de potências:
Devo somar os expoentes
Devo subtrair os expoentes
Devo multiplicar os expoentes
Devo dividir os expoentes
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Multiplicação de potências com o mesmo expoente. Por exemplo:(42 *52 )
conserva o expoente e multiplica as bases
conserva o expoente e soma as bases
conserva a base e multiplica os expoentes
conserva o expoente e divide as bases
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
.
Uma aluna de uma turma de 7º ano estudava com seu amigo quando encontrou, em seu livro de exercícios de matemática, a seguinte expressão:
Q=(-2)4 . (-2)
Estando ela em dúvida sobre como resolver, seu amigo a auxiliou nos cálculos. Juntos, eles chegaram ao resultado correto, que é:
+32
-8
-32
+8
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