Final answer:
To convert 21 degrees Celsius to Fahrenheit, use the conversion formula ( °C × 9/5) + 32. This results in a Fahrenheit temperature of approximately 70°F
Step-by-step explanation:
The question is asking to convert the outdoor temperature from Celsius to Fahrenheit. In order to convert 21°C into Fahrenheit, we have to use the formula
(°C × 9/5) + 32
. If we put our given degree Celsius into the Formula, it will be ( 21°C × 9/5) +32= 69.8 °F. Among the options given, 70 °F is the closest to 69.8 °F, so we can round it off to 70 °F.
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