Question

Write a C Program to perform the following.
 Display the number 34.789 in a field of nine spaces with two decimal places of
precision.
 Display the number 7.0 in a field of five spaces with three decimal places of
precision. The decimal point and any trailing zeroes should be displayed.
 Display the number 5.789e+12 in fixed point notation.
 Display the number 67 left justified in a field of seven spaces.

Answer 1

Given below are the programs in C language.

Explanation:

• (1)    #include<stdio.h>
•        int main(){
•                      float num=34.789;
•                      prinf ("%9.2f" ,num);     }
• (2)   #include<stdio.h>
•       int main(){
•                       float num= 7.0;
•                       printf("%5.3f" ,num);     }
• (3)    #include <iostream>
•         using namespace std;
•         int main(){      
•                         double num= 5.789e12;
•                         cout<< fixed<< num<<endl;     }
• (4)    #include <stdio.h>
•        int main{
•                        int num=67;
•                        printf("%-7d" ,num);   }