You want to print a floating-point number pi with 2 decimal places using printf. Which code is correct?

hard📝 Application Q15 of 15

C - Input and Output

You want to print a floating-point number pi with 2 decimal places using printf. Which code is correct?

Aprintf("%.2f", pi);

Bprintf("%2f", pi);

Cprintf("%f.2", pi);

Dprintf("%f", pi, 2);

Step-by-Step Solution

Solution:

Step 1: Understand floating-point formatting
To print a float with 2 decimals, use %.2f in printf.
Step 2: Check each option's correctness
printf("%.2f", pi); uses %.2f correctly. printf("%2f", pi); misses the dot, C has wrong syntax, D passes extra argument incorrectly.
Final Answer:
printf("%.2f", pi); -> Option A
Quick Check:
Use %.2f for 2 decimal float output [OK]

Quick Trick: Use %.2f to limit float decimals to 2 [OK]

Common Mistakes:

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