I presume you mean "When I'm 64" by The Beatles? It was written by Paul when he was 16 - probably in 1958. Paul used to sing it as a corny "fill-in" song if there was problem with the amplifiers. It was revived in 1966 and named in honour of Paul's father who turned 64 that year.
64 = 6.4 × 101
64 written in base 2 is 1000000
32. 2x=64 can be written as x = 64/2. 64/2=32
26 = 64 2*2*2*2*2*2 = 64 or 6.4*101
0.64
64
The number 64 in roman numerals is written as LXIV.
66
Well 64 out of 100 would be written like 64/100 I think. So 0.64 maybe?
Commodore has written: 'Commodore 64 Users Guide'
Edmundo Farolan has written: '64 Solitudes'
percent = 1/100 64/100 = 64 percent