using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Rounded result: " + RoundToSignificantDigits(3.82));

        Console.WriteLine("Rounded result: " + RoundToSignificantDigits(38.2));

        Console.WriteLine("Rounded result: " + RoundToSignificantDigits(382));

    }

    public static double RoundToSignificantDigits(double value, int digits = 2)

    {

        double scale = Math.Pow(10, Math.Floor(Math.Log10(value)));

        return Math.Round(scale * Math.Round(value / scale, digits - 1, MidpointRounding.AwayFromZero), 0);

    }

}