
Potenciação
Authored by Francisco Oliveira
Mathematics, Professional Development
Professional Development
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13 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Na potenciação 7³ = 7 x 7 x 7 = 343, a base é:
3
343
7
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Lê-se “três elevado a dois” ou “três elevado à segunda potência”.
23
2 x 3
3 x 2
32
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Sempre que o expoente for 0 (zero), o resultado será
0
1
2
uma fração
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sempre que o expoente for 1, o resultado será
a própria base.
será 1.
uma indeterminação.
o dobro da base
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Independente do expoente ser par ou ímpar, o resultado de uma potência com base positiva sempre será
par
ímpar
negativo
positivo
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As potências só não podem ter base igual a zero, mas se elas forem maiores que zero, está tudo bem!
verdadeiro
falso
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quando a base for negativa e o expoente par, o resultado sempre será
maior que zero.
negativo.
positivo.
menor que zero.
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