Permutation & Combination( Week 45 Practice) 1. How many two-digit numbers can you make using 7 and 1? 2. How many two-digit numbers can you make using any two digits from 0, 4 and 1? 3. You can make six two-digit numbers using 3, 6 and 7. What is the difference between the biggest number and the smallest number? 4. What is the smallest 3-digit even number you can make using digits 4, 5 and 9? 5. What are the possible 3-digit even numbers you can make using digits 8, 4 and 7? Separate each number by a comma. |