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Verified Answer :

Ethan wants to arrange 4 blocks in a row
we can calculate the number of different arrangements by making calculation in following way:
4 x 3 x 2 x 1 = 24 
24 different arrangement he can make.

Ethan wants to arrange 4 blocks in a row therefore, he can make 24 different arrangements.

What are permutations?

The different arrangements which can be made out of a given number of objects by taking out some or all at a time are called permutations.

Ethan wants to arrange 4 blocks in a row

So, we can calculate the number of different arrangements by making calculations

= 4! ways

= 4 x 3 x 2 x 1

= 24

Thus, he can make 24 different arrangements.

Learn more about permutations;

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