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Line 107: − #Making numbers<br>+ − Suppose we have 4 digits 7, 8, 3, 5. We want to make different 4-digit numbers using these digits such that no digits are repeated in each number. For example, you can make 7835 and 3578 but 7738 is not allowed because 7 is repeated and 5 is not used. <br> − a. What is the greatest number you can make? <br> − b. What is the smallest number? <br> − c. Can you write down how you make the greatest number and the smallest number? <br> − Use the given digits without repetition and make the greatest and smallest 4-digit numbers. Note that 0753 is a 3 digit number and is therefore not allowed. <br> − [[File:gretest and smallest.png|400px]]<br> − #Now make the greatest and smallest 4-digit numbers by using any one digit twice. <br> − Hint: Think about which digit you will use twice.<br> − [[File:3 digit numbers.png|400px]]<br> − #Make the greatest/ smallest 4-digit numbers using any 4 different digits with conditions as given <br> − [[File:4 different digits.png|400px]]<br>
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[[File:Tallest.png|400px]]
[[File:Tallest.png|400px]]
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===Learning objectives===
===Learning objectives===