05 - Algarismos Significativos e Duvidosos
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
PROFº GESIEL S.
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31 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o número de algarismos significativos em 0,00345?
2
10
3
5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Arredonde 123,456 para 3 algarismos significativos.
200
100
456
123
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule 2,3 x 4,56 e dê o resultado com o número correto de algarismos significativos.
2,345
9,6
10,5
46,8
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Escreva 0,000000000000000000123 em notação científica.
1.23 x 10^-21
1.23 x 10^-20
1.23 x 10^-18
1.23 x 10^-19
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quantos algarismos duvidosos existem em 0,00780?
7
3
2
5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Realize a operação (3,2 + 1,45) / 2,1 e dê o resultado com o número correto de algarismos significativos.
2,0
3,0
1,0
5,0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Escreva 450000 em notação científica.
4.5 x 10^6
4.5 x 10^4
4.5 x 10^3
4.5 x 10^5
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