l: Question 1 3.34 pts The pentatonic musical scale contains 5 notes in an octave: C, D, E, G, and A. Miles decides to look for new musical themes by playing random sequences of 4 notes from the pentatonic scale. (a) How many possible four-note sequences can be played? (b) How many possible four-note sequences contain no Gs? Mario has 10 science fiction novels on a shelf in his bedroom. How many different ways are there for him to arrange the books on the shelf? El? Question 3 3.34 pts Many banks require customers who use the automated teller machine (ATM) to enter a four-digit password before they begin a transaction. (a) How many possible four-digit passwords are there? (b) How many four-digit passwords contain no 35