Answer:
pretty simple, notice, I used '1f' so the float would print only 1 significant number after. Sure you can modify it to make it more readable and not just numbers on the screen, it's up to you
Explanation:
#include <stdio.h>
int main()
{
int n1 = 10;
int n2 = 15;
float f1 = 12.6;
printf("%d %d %.1f", n1, n2, f1);
return 0;
}