C (gcc), 35 44 38 bytes

Saved a byte thanks to my pronoun is monicareinstate!!!
Added 10 bytes to fix a bug kindly pointed out by Kjetil S.

f(n){printf("%.2f\n",exp(-~n/16.-2));}

Try it online!

C (gcc), 35 44 38 36 bytes

Saved a byte thanks to my pronoun is monicareinstate!!!
Saved 2 bytes thanks to Arnauld!!!
Added 10 bytes to fix a bug kindly pointed out by Kjetil S.

f(n){printf("%.2f",exp(-~n/16.-2));}

Try it online!

C (gcc), 35 44 bytes

Saved a byte thanks to my pronoun is monicareinstate!!!
Added 10 bytes to fix a bug kindly pointed out by Kjetil S.

float f(n){printf("%.2f\n",exp(-~n/16.-2));}

Try it online!

C (gcc), 35 44 38 bytes

Saved a byte thanks to my pronoun is monicareinstate!!!
Added 10 bytes to fix a bug kindly pointed out by Kjetil S.

f(n){printf("%.2f\n",exp(-~n/16.-2));}

Try it online!

C (gcc), 35 bytes

float f(n){return exp((n-31)/16.);}

Try it online!

C (gcc), 35 44 bytes

Saved a byte thanks to my pronoun is monicareinstate!!!
Added 10 bytes to fix a bug kindly pointed out by Kjetil S.

float f(n){printf("%.2f\n",exp(-~n/16.-2));}

Try it online!