

Operações com números positivos e negativos
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
O que é um número positivo?
Back
Um número que é maior que zero.
2.
FLASHCARD QUESTION
Front
O que é um número negativo?
Back
Um número que é menor que zero.
3.
FLASHCARD QUESTION
Front
Como se calcula a potência de um número negativo?
Back
A potência de um número negativo é positiva se o expoente é par e negativa se o expoente é ímpar.
4.
FLASHCARD QUESTION
Front
Calcule: (-2)^4
Back
16
5.
FLASHCARD QUESTION
Front
Calcule: (+5) . (-3)
Back
-15
6.
FLASHCARD QUESTION
Front
Calcule: (-5)^2
Back
25
7.
FLASHCARD QUESTION
Front
Calcule: (-3)^3
Back
-27
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