A science teacher needs to choose 4 students from a class of 20 to go to the library to do some research. How many different groups can be selected?

A.) 3,060

B.) 104,976

C.) None are correct

D.) 73,440

Question

Moss

25 July, 04:23

+3

Answers (1)

Know the Answer?

Nyla Duffy · Answer 1

The number is (20 x 19 x 18 x 17) / (4 x 3 x 2). That's 4,845. None of the choices is correct.

A science teacher needs to choose 4 students from a class of 20 to go to the library to do some research. How many different groups can be selected?A.) 3,060B.) 104,976C.) None are correctD.) 73,440