Answer :
The possible arrangements would be (1 by 28), (2 by 14), and (4 by 7).
What is an arrangement?
The arrangement of the different things or numbers in a number of ways is called the combination. A rearrangement of its elements if the set already has an order, or the arranging of its members into a sequence or linear order.
Given that solar panels use the sun's energy to generate power. A town wants to install 28 solar panels in an array.
The possible arrangements would be:-
( 1 row having 28 panels in series )
( 2 rows having 14 panels in each series.)
( 4 rows having 7 panels in each series.)
Therefore, there will be three possible arrangements.
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