Convert 68 degrees Fahrenheit to Celsius.

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Study for the AAMI Certified Associate in Biomedical Technology Exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

Convert 68 degrees Fahrenheit to Celsius.

Explanation:
Converting Fahrenheit to Celsius uses the formula C = (F − 32) × 5/9. For F = 68, subtract 32 to get 36, then 36 × 5/9 equals 180/9, which is 20. So 68 degrees Fahrenheit is exactly 20 degrees Celsius. The other options correspond to different Fahrenheit values: 21°C is about 69.8°F, 15°C is 59°F, and -5°C is about 23°F, so they don’t match 68°F.

Converting Fahrenheit to Celsius uses the formula C = (F − 32) × 5/9. For F = 68, subtract 32 to get 36, then 36 × 5/9 equals 180/9, which is 20. So 68 degrees Fahrenheit is exactly 20 degrees Celsius. The other options correspond to different Fahrenheit values: 21°C is about 69.8°F, 15°C is 59°F, and -5°C is about 23°F, so they don’t match 68°F.

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