2回答

• 

  绿色蝈蝈拜见

  2016-11-19 16:36:29

  public static void parseSciNot(double num, double base, int index) {

      base = num;

      index = 0;

      if (num >= 1) {

           while (base >= 10) {

              base = base / 10;

              index ++;

          }

      }

      else {

           while (base < 1) {

          base = base * 10;

          index --;

          }

      }

      System.out.println("The scientific notation of " + num + " is: " + base + "*10^(" + index + ")");

      }

  
  

  0 0
• 

  空就是什么都没有

  2016-11-08 22:51:27

  例如 3000=3*10的三次方。0.003=3*10的负三次方

  0 0