
Notação Científica
Authored by Ednilson Francisco Paes
Mathematics
11th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Converta o número 0.000045 em notação científica.
4.5 x 10^(-6)
4.5 x 10^(-5)
4.5 x 10^(-4)
4.5 x 10^(-3)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado da comparação entre 3.2 x 10^4 e 5.6 x 10^3?
3.2 x 10^4 is equal to 5.6 x 10^3
3.2 x 10^4 is greater than 5.6 x 10^3
3.2 x 10^4 is less than 5.6 x 10^3
3.2 x 10^4 is not comparable to 5.6 x 10^3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explique uma aplicação prática da notação científica na área da astronomia.
Scientific notation is used in astronomy to represent large distances in space.
A notação científica na astronomia é empregada para medir o tempo de rotação dos planetas.
Notação científica é utilizada na astronomia para calcular a temperatura das estrelas.
Notação científica é usada na astronomia para representar pequenas distâncias no espaço.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Escreva o número 6.78 x 10^7 em forma padrão.
6,780,000
67,800
67,800,000
6.78 x 10^6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se um átomo tem um diâmetro de 0.0000000002 metros, como esse valor seria representado em notação científica?
2.0 x 10^-8 metros
2.0 x 10^-12 metros
2.0 x 10^-6 metros
2.0 x 10^-10 metros
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Compare os números 2.5 x 10^6 e 3.8 x 10^5.
2.5 x 10^6 is equal to 3.8 x 10^5
2.5 x 10^6 is greater than 3.8 x 10^5
2.5 x 10^6 is not comparable to 3.8 x 10^5
2.5 x 10^6 is less than 3.8 x 10^5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Por que a notação científica é útil ao lidar com números muito grandes ou muito pequenos?
Porque torna os números mais difíceis de manipular
Porque permite representar números de forma mais compacta e fácil de manipular.
Porque aumenta a precisão dos cálculos matemáticos
Porque deixa os números mais confusos de entender
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