Operações com números reais 9º Ano
Quiz
•
Mathematics
•
1st Grade
•
Hard
Liriam Taniguchi
Used 64+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Calculando , obtemos:
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Utilizando apenas propriedades da potenciação, calcule o valor da expressão acima.
2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
156 250
390 625
234 375
312 500
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
As potências (-2)4 e -24 são iguais ou diferentes? E qual o resultado?
Iguais +16
Iguais -16
Diferentes 16 e -16 respectivamente
Diferentes -16 e 16 respectivamente
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
(FUVEST -SP 2012) O valor de (0,2)3 + (0,16)2 é:
0,0264
0,0336
0,1056
0,2568
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O valor da expressão (-1)0 + (-6) : (-2) – 24 é:
20
-12
19,5
8.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(FATEC) Das três sentenças abaixo:
I. 2x+3 = 2x . 23
II. (25)x = 52x
III. 2x + 3x = 5x
somente a I é verdadeira;
somente a II é verdadeira;
somente a III é verdadeira;
somente a II é falsa;
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