ابغى مساعدة بسيطة

[ميم 28]

ياليت احد يساعدني في حل الاسئلة دي

3

A total of 7 different gifts are to be distributed among 10 children. How many
distinct results are possible if no child is to receive more than one
gift)

7

Find the number of 5 letter permutations that can be formed from
the letter in the word SINGAPORE

?

8

A club has 4 officials; President, Vice president, Secretary and Treasurer. If a
member cannot hold more than one office, in how many ways can the officials be selected if the club has

a. 12 members,)
b. 16 members,

Expand,
3x² + y)5