Answer:
720 ways
Step-by-step explanation:
n! = 10! =10×9×8 = 720 ways
(n-r) (10-3)! 7!
Copyright © 2024 EHUB.TIPS team's - All rights reserved.
Answers & Comments
Answer:
720 ways
Step-by-step explanation:
n! = 10! =10×9×8 = 720 ways
(n-r) (10-3)! 7!