ABSTRACT
Abby has collected 100 pennies. She offers Betty the choice of any or all of the pennies from her collection. The number of selections of pennies that Betty can make is 1,267,650,600,228,229,401,496,703,205,376.
Abby has collected 100 pennies. She offers Betty the choice of any or all of the pennies from her collection. The number of selections of pennies that Betty can make is 1,267,650,600,228,229,401,496,703,205,376.