Ali simply loves pastel colors. In fact, she plans to paint each room of her four-room apartment in a pastel color. If she has 7 different colors from which to choose, how many different coloring schemes can she use if:
a. each room could be painted any one of the colors?
b. each room must be painted a different color?
c. each room must be painted using either robin's egg blue or daffodil yellow?
Pre-Calculus Question?
7*7*7*7=2401
7*6*5*4=840
2*2*2*2=16
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment