Why there is "new price %4f"?explain plz .any eg

Question

C

Answer 1

Tip : always mention language either in question discription or in relevant tags.

Assuming it to be C/C++.

"%4f" will print a floating point with a width of at least 4 wide
Whereas
"%.4f" will print a floating point with a precision of four characters after the decimal point.

Answer 2

The format string "%4f" says: use at least 4 characters for the full string.