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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