Answer:<em> In mathematics, a square number or perfect square is an integer that is the square of an integer; in other words, it is the product of some integer with itself. For example, 9 is a square number, since it can be written as 3 × 3.</em>
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Step-by-step explanation:
201÷7= 28.71
The answer is 28.71
1.a
2.d
3. they all are the same type of number, real rationals
4. No irrational number is a rational number
5.No irrational number is a integer
B= 30
a2+b2=c2
72^2+b^2 = 78^2
5184+b^2 = 6084
b2 = 900
b = 30
