// Start exercise_2

var someString1 = "It\'s a beautiful day. I like \"free day\".";

var someString2 = 'It\'s a beautiful day. I like \"free day\".';

var someString3 = `It\'s a beautiful day. I like \"free day\".`;

var someString4 = `It\'s a beautiful day. I like \'free day\'.`;

var someString5 = `It\'s a beautiful day. I like \`free day\`.`;

console.log(someString);

// Start exercise_3

var numMult = 5.45 * 8.3;
var numRes = parseFloat(numMult.toFixed(3)); // использую parseFloat т.к. toFixed() возвращает строку

console.log(numRes === numRes);

// Start exercise_4

var nanStr = +"string" + 2;

console.log(nanStr);