| 1. |
How many 2-letter combinations are possible from the first three letters of the alphabet?
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| 2. |
If you have three books, how many different ways are there to stack these three books on a table?
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| 3. |
There are three sticks on the table. Each stick is a different color. How many ways are there to arrange the sticks in a line so that no two arrangements have the same color sequence?
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| 4. |
Noah has six different kinds of cars to use on his model railroad. In how many different orders can he arrange the cars to be pulled by the engine?
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| 5. |
* This is a pre-made sheet.
Use the link at the top of the page for a printable page. |
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| 6. |
Proteins are made from linear sequences of amino acids. How many different proteins could be made from the amino acids phenylalanine, glutamic acid, and lysine?
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