Potenciação, conjuntos e raiz quadrada

Quiz
•
Mathematics
•
8th Grade
•
Hard
Giovanni Nogueira
Used 3+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
Determine o valor de cada uma das potências abaixo.
(7/9)-2
81/49
49/81
7/9
9/7
2.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
As potências (-2)4 e - 24 são iguais ou diferentes?
Iguais
Diferentes
3.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Sabendo que o valor de 57 é 78 125, qual o resultado de 58?
156 250
390 625
234 375
312 500
4.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Em um sítio há 12 árvores. Cada árvore possui 12 galhos e em cada galho tem 12 maçãs. Quantas maçãs existem no sítio?
144
1224
1564
1728
5.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
O valor da expressão 20x3 + 2x2y5, para x = - 4 e y = 2 é:
256
- 400
400
- 256
6.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
( 36 . 3-2 ) : 34 é igual a:
0
1
3-3
3-8
7.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
Qual das sentença abaixo é verdadeiras?
(x . y)4 = x4 . y4
(x + y)4 = x4 + y4
(x - y)4 = x4 - y4
(x + y)0 = x + y
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