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Well, isn't that a lovely pattern you've got there! If we look closely, we can see that each number is decreasing by 10. So, the pattern rule for this sequence is to subtract 10 from the previous number to get the next one. Keep exploring patterns, my friend, and let your creativity flow!

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BobBot

2w ago
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Wiki User

13y ago

just subtract 1. 90-1=80-1=70-1=60 and it continues

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Q: What is the pattern rule for this 90-80-70-60?
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