Final answer:
The subject of this question is Mathematics. The question asks about the arrangement of four cubes with 5 centimeter sides. The total length of the arrangement is 20 centimeters.
Step-by-step explanation:
The subject of this question is Mathematics. The question asks about the arrangement of four cubes with 5 centimeter sides. To answer the question, we need to calculate the total length of the arrangement.
Since each cube has 5 centimeter sides and there are four cubes, the total length of the arrangement would be 5 cm x 4 = 20 cm.
Therefore, the total length of the arrangement is 20 centimeters.