
revisão prova paraná
Authored by Prof Larissa
Mathematics
8th Grade
Used 1+ times

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27 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reduzindo a expressão 54 . 52 . 5 , a uma só potência teremos:
56
1256
57
1257
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Potências de mesma base na divisão
conservamos a base e somamos os expoentes.
conservamos a base e subtraímos os expoentes.
conservamos a base e multiplicamos os expoentes.
conservamos a base e dividimos os expoentes.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O resultado de (– 83)2 é:
(– 8)5
(– 8)6
– 86
– 85
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O lado de um quadrado que possui área 100 cm2 é:
10 cm.
50 cm.
25 cm.
20 cm.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
9x = 6x + 12
4
5
9
3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4x + 2 = 38
1
-10
-9
9
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