Question

The frequency of A5 is 880Hz What is the frequency of A7, which is two octaves above A5?

Answer 1

We are given that the note A5 has a frequency of 880 Hz. We are asked what for the frequency of A7 and two octaves above A5.

For A7, referring to the frequency table of notes, its frequency is 3520 Hz.

Two octaves above A5 is A3. The frequency of this note is 220 Hz.