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Use the format %f for printing floating numbers

#include <stdio.h> main() {     float f1 = 0.23456;     printf("%f \n", f1); } By default, %f prints output with 6 decimal places To output with 8 columns and 3 decimal places #include <stdio.h> main() {     float f1 = 123456789.23456;     printf("%f \n", f1);     printf("%8.3f \n", f1); } 123456792.000000 123456792.000