what is f=9\5c+32 convert to -40c
Well.... you will likely find that at -40 C the temp is also -40 F !
I believe that you want to convert -40C to F
So we have
F = (9/5)(-40) + 32 = (-72) + 32 = - 40F
[ Interesting that it is exactly the same !!! ]
I didn’t even realize that.. interesting