05 - Algarismos Significativos e Duvidosos

05 - Algarismos Significativos e Duvidosos

10th Grade

31 Qs

quiz-placeholder

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05 - Algarismos Significativos e Duvidosos

05 - Algarismos Significativos e Duvidosos

Assessment

Quiz

Mathematics

10th Grade

Practice Problem

Hard

Created by

PROFº GESIEL S.

Used 18+ times

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31 questions

Show all answers

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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