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Choose a digit number to add to so that you make a new .
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Q. Choose a digit number to add to so that you make a new .
- Identify Goal: Identify the goal: We need a sum that ends in when added to .
- Calculate Units Digit: Calculate the units digit of , which is . To make a number ending in , we need to add a number ending in .
- Choose Two-Digit Number: Choose a two-digit number ending in . Let's pick .
- Add Numbers: Add and to check if it makes a new . , which ends in .
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