can i use float x in function vab() insted of double how???

Question

protected static void vab(double x)
{

System.Console.WriteLine("hello"+x*2);
}
public static void Main(string[] args)
{
System.Console.WriteLine("hello");

vab(1.2);
vab(13);
vab(1.4);
}

Answer 1

Put an f after the number e.g. 1.2f