Find the error with subject-verb agreement. Select the incorrect verb and type it correctly. Neither Alaska nor Florida have a state income tax however residents in those states must still pay federal income tax.

Neither Alaska nor Florida HAS a state income tax however residents in those states must still pay federal income tax.

Explanation:

According to subject-verb agreement in concord, when the word "neither" is used to compare two things, it is proceeded with "nor" which is correct in the given sentence, and is a singular verb.

However, the given error in the sentence is the use of "have" which is incorrect because the word "have" is a plural word that is used along with plural words.

Therefore, the correct word to be used in the sentence is "has".

well people will have to mark your answer as the best answer. and from that u receive crowns.

~batmans wife dun dun

synonymous.

he was ashamed of himself