Answer:
The perfect squares are the squares of the whole numbers: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100....
Step-by-step explanation:
the square root of 1 is 1 b/c 1^2=1 (and so on)
This seems to be dividing by 4, so the next numbers are 20, and then 5. If there is a 3rd, it's 1.25
-7.5 / -2.5 = 3
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