
Potenciação de Números Inteiros
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Mathematics
2nd Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como se calcula 2^3?
2 * 2 * 2 = 8
2 + 2 + 2 = 6
2 - 2 + 2 = 2
2 / 2 + 2 = 2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que é potenciação?
Uma operação matemática que envolve somar números.
Uma operação matemática que envolve dividir um número por ele mesmo.
Uma operação matemática que envolve multiplicar um número por ele mesmo um certo número de vezes.
Uma operação matemática que envolve subtrair um número de outro.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como se calcula 10^1?
10
1
100
10^2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado de 0^5?
0
1
5
-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado de 5^0?
0
1
5
5^0 é indefinido
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como se calcula (-3)^2?
(-3) * (-3) = 9
(-3) + (-3) = -6
(-3) / (-3) = 1
(-3) - (-3) = 0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que acontece quando o expoente é negativo, como em 2^-3?
2^-3 é igual a 2^3
Um expoente negativo indica o inverso da base elevada ao expoente positivo, então 2^-3 é 1/(2^3) = 1/8.
2^-3 é igual a -8
Um expoente negativo não tem valor definido.
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