
Notação Científica e Matrizes
Mathematics
10th Grade
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Converta o número 0.000045 para notação científica.
4.5 x 10^(-5)
4.5 x 10^(-4)
4.5 x 10^(-3)
4.5 x 10^(-6)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Realize a operação (3.2 x 10^4) / (8 x 10^2) em notação científica.
5 x 10^3
6 x 10^2
2 x 10^2
4 x 10
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identifique a matriz abaixo: [1, 2]
[3, 4]
Matriz 3x3
Matriz 4x4
Matriz 2x2
Matriz 1x2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule a soma das matrizes [[1, 2], [3, 4]] e [[-1, 0], [2, 1]].
[[1, 2], [3, 4]]
[[-1, 0], [2, 1]]
[[0, 2], [5, 5]]
[[2, 4], [5, 6]]
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Efetue a multiplicação das matrizes [[2, 1], [0, -1]] e [[-1, 3], [2, 0]].
[[0, 6], [-2, 0]]
[[1, 4], [3, 0]]
[[2, 3], [1, -1]]
[[0, -2], [6, 0]]
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Escreva o número 6.75 x 10^7 em notação decimal.
6,750,000
67,500
675,000
67,500,000
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado de (5 x 10^3) + (2 x 10^2) em notação científica?
3.5 x 10^3
5.2 x 10^3
6.2 x 10^2
7.2 x 10^3
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