Convert -40 degrees Celsius to Fahrenheit.

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Multiple Choice

Convert -40 degrees Celsius to Fahrenheit.

Explanation:
Converting Celsius to Fahrenheit uses the formula F = C × 9/5 + 32. For C = -40, multiply by 9/5 (which is 1.8) to get -72, then add 32 to get -40. So -40 °C equals -40 °F. A handy note: -40 is the same number in both scales at this point. The other options would come from different Celsius values, e.g., -30 °F is about -34.4 °C, not -40 °C.

Converting Celsius to Fahrenheit uses the formula F = C × 9/5 + 32. For C = -40, multiply by 9/5 (which is 1.8) to get -72, then add 32 to get -40. So -40 °C equals -40 °F. A handy note: -40 is the same number in both scales at this point. The other options would come from different Celsius values, e.g., -30 °F is about -34.4 °C, not -40 °C.

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