#include <stdio.h>
#include <math.h>
#include <stdlib.h>
int main(){
double p;
double a = 16;
double b = 54;
p = a / b;
printf("%.10f\n", p);
printf("%.10g\n", p);
printf("%.10e\n", p);
printf("%10f\n", p);
printf("%10g\n", p);
printf("%10e\n", p);
return 0;
}
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