
Desafios Matemáticos do 9º Ano

Quiz
•
Mathematics
•
9th Grade
•
Hard
CHRISTIANE GRZYB
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a forma correta de escrever o número <katex latex="0,00056"></katex> em notação científica?
<katex latex="5,6 \times 10^{-3}"></katex>
<katex latex="5,6 \times 10^{-4}"></katex>
<katex latex="5,6 \times 10^{4}"></katex>
<katex latex="56 \times 10^{-5}"></katex>
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule <katex latex="3^4"></katex>.
<katex latex="12"></katex>
<katex latex="27"></katex>
<katex latex="81"></katex>
<katex latex="64"></katex>
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se você investir R\$ 1.000,00 a uma taxa de 5% ao ano, qual será o valor do rendimento após um ano?
R\$ 50,00
R\$ 100,00
R\$ 500,00
R\$ 5.000,00
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das opções abaixo NÃO é uma propriedade dos triângulos?
A soma dos ângulos internos é <katex latex="180^\circ"></katex>
Todo triângulo tem três lados
A soma de dois lados é sempre menor que o terceiro lado
Todo triângulo pode ser classificado quanto aos lados e aos ângulos
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor de <katex latex="2^5"></katex>?
<katex latex="10"></katex>
<katex latex="25"></katex>
<katex latex="32"></katex>
<katex latex="64"></katex>
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a soma dos ângulos internos de um hexágono?
<katex latex="360^\circ"></katex>
<katex latex="540^\circ"></katex>
<katex latex="720^\circ"></katex>
<katex latex="900^\circ"></katex>
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a forma correta de escrever <katex latex="7,2 \times 10^3"></katex> em notação decimal?
<katex latex="720"></katex>
<katex latex="7.200"></katex>
<katex latex="72.000"></katex>
<katex latex="0,0072"></katex>
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