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A four-letter code uses the letters Z and X. Either letter can be repeated in the code. How many different codes are possible?

A four-letter code uses the letters Z and X. Either letter can be repeated in the code. How many different codes are possible?
asked 7.5k views
2 votes
A four-letter code uses the letters Z and X. Either letter can be repeated in the code. How many

different codes are possible?

asked
User Mewster
by
7.8k points

1 Answer

9 votes

Answer:

Explanation:

10? i believe so if not then one or two more

answered
User LNF
by
8.1k points
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