1) in this scale, the frequency of each c-note in vibrations per second is measured in hz. it can be expressed as a power of 2, as shown. what is the frequency of the note c7 in exponential form and in logarithmic form?
c4: 256 hz
c5: 512 hz
c6: 1024 hz

2) if the frequency of a note c is 32 vibrations per second, how many octaves higher or lower than middle c is this note?

a) 3 octaves lower
b) 4 octaves higher
c)2 octaves higher
d)1 octaves lower