C - Variables and Data Types
Which of the following is a correct way to declare and initialize a float variable named
price with value 9.99?Which of the following is a correct way to declare and initialize a float variable named price with value 9.99?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Check correct float initialization syntax
Float variables are assigned numeric values with a decimal point using dot notation, without quotes.Step 2: Identify invalid options
float price = '9.99'; uses single quotes (character), C uses double quotes (string), D uses comma instead of dot.Final Answer:
float price = 9.99; -> Option BQuick Check:
Float initialization uses numeric literal with dot = B [OK]
Quick Trick: Use dot for decimals and no quotes for float values [OK]
Common Mistakes:
- Using quotes around numeric values
- Using comma instead of dot for decimals
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