-20c in f

Step 1: Identify the conversion factor

The conversion factor from celsius to fahrenheit is:

1 celsius = 0.2 fahrenheit

Step 2: Set up the calculation

To convert -20 celsius to fahrenheit, multiply -20 by the conversion factor 0.2:

-20×0.2

Step 3: Calculate

-20×0.2=-4

Step 4: Round the result

The result is approximately: -4 fahrenheit

Final Answer:

-20 celsius is approximately -4 fahrenheit.