A man has 6 friends .how many ways can be invite one or more of them to a party?

A man has 6 friends. In how many ways can he invite one or more of them to a party?

A man has 7 friends. In how many ways can be invite one or more of them to a party ?

A man has 7 friends. In how many ways can he invite one or more of them to a party ?

A man has 7 friends . In how many ways may he invite one or more of them to party?

A man has 10 friends, in how many ways he can invite one or more of them to a party?

A man has 10 friends. In how many ways he can invite one or more of them to a party?

A man has 10 friends. In how many ways he can invite one or more of them to a party?

A man has 10 friends, in how many ways he can invite one or more of them to a party?

A man has 10 friends. In how many ways he can invite one or more of them to a party? a. 10! b. 2^(10) c. 10!-1 d. 2^(10)-1

A man has 10 friends. In how many ways he can invite one of more of them to a party ?