Help with the Maths

[TJDukit]

Ok so I don't math good and need a hand with this obviously not complicated formula.

Gdb=90 in this case. I know it's not that difficult but I don't have the proper calculator in my office and honestly I'm just dumb when it comes to math.

I didn't join the Air Force to do this crap.

 

[MikeGyver]

10^(90/10) = 10^9 = 1,000,000,000 = 1 trillion

 

[TJDukit]

Ok so I just over complicated it for myself.