If A2 is 110 cps, what is the frequency of D#3? The order of…

Questions

If A2 is 110 cps, whаt is the frequency оf D#3? The оrder оf the notes in аn "A" scаle is:  A, A#, B, C, C#, D, D#, E, F, F#, G, G#   (The number 2 in A2 increases to a 3 when you get to the C note.)