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In how many ways we can wear 4 distinct rings in 3 particular fingers?

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360 ??
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81..?
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How you got $81?$
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Good, now it's clear.
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it is 81 ....... not 360
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i think you understand

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For each ring we have 3 choices i.e. either of the 3 fingers.So for for rings it will be 3*3*3*3 =81
I'm not getting the approch mentioned in that link!
Can you please explain it clearly,Thanks !
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Given answer was 360, if that's correct. I too have seen many people giving the other reasoning, see this

https://math.stackexchange.com/questions/2222256/in-how-many-ways-5-different-rings-can-be-worn-on-4-fingers