
Quiz - Include - 4º Encontro Final
Authored by Alura Tecnologia
Computers
2nd Grade
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6 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Variáveis são espaços na memória que usamos para armazenar valores. Em JavaScript podemos utilizar as palavras reservadas var ou let para declarar variáveis.
Sabendo disso, qual alternativa abaixo declara e inicializa uma variável corretamente?
let 'Dev'
var profissao
let profissao = 'Dev'
variável profissão
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
var saudacoes = "Bem-vindo ao Alura Include"
Qual comando é utilizado para imprimir o valor da variável saudacoes?
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Como concatenar Strings em JavaScript?
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
var idadeString = "25"
Como converter a variável idadeString para um número inteiro(sem casas decimais) ?
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
O salário de João é 1250.53 , porém está sendo apresentado como 1250.52525252. Qual alternativa representa maneira de visualizar somente com duas casas decimais?
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
1 dólar está valendo 5.22 Reais.
Maria tem tem 100 dólares e gostaria de converter para reais.
Para converter, é necessário multiplicar 100 por 5.22. Qual alternativa representa essa conversão?
100 + 5.22
100 - 5.22
100 / 5.22
100 * 5.22
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