Which of the sentences below uses the apostrophe correctly? My three dog's hairbrush is getting really worn down.
My three dogs hairbrush is getting really worn down.
My three dogs' hairbrush is getting really worn down.

The last one option C

Explanation:

The 1st one is wrong because dog's is singular but the statement had clearly mentioned that there are 3 dogs

The 2nd one is also wrong because it needs and apostrophe to show the owner of the thing (hairbrush) so it is wrong

The 3rd one is the correct one because it the apostrophe is used after the s as it is singular

Hope it helps and pls mark as brainliest : )

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