The highest-paid 10 percent of airline pilots earned $140,650 a year or more, while the lowest-paid 10 percent made $57,420 or less. Pay for airline pilots varied significantly by state in 2011. According to the Bureau of Labor Statistics, airline pilots in Hawaii earned the most at an average of $146,040 a year. New York ranked second at $145,080 per year, followed by Kentucky at $142,870, Texas at $137,430 and Washington state at $135,780. Montana reported the lowest average salary at $62,850 per year.
There are several differences. Electronic keyboards can create a variety of sounds and effects, while the piano makes many possible variations to the same set of sounds, as generated by the keys and pedals. Pianos (acoustic) make sounds using strings (the keys trigger the strings).
So the piano keyboard actually has only 12 different keys; 7 white keys and 5 black keys. The rest of the keys are just repeated with either higher or lower pitch. Here is a piano keyboard diagram with the note names of the white keys, or the basic notes: You can see that the 7 basic notes are repeated over and over. But each time the pitch (how high or low the tone is) is sounding one octave higher (if you go to the right).