sqrt(100)
factor under the radical
sqrt(52 * 4)
bring out the 5
5sqrt(4)
========or, this way
sqrt(52 * 22)
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√13.55 = √(1355/100) = (√1355)/10
sqrt(200) = sqrt(100 x 2) = sqrt(100) x sqrt(2) = 10 sqrt(2)
root 200 = root 2 multiplied by root 100 root 100 = 10 root 200 = 10 root 2
10 x 10 = 100 so 10 is the square root of 100 :)
The square root of 2.56 is rational. This is because 2.56 can be expressed as 256/100, which simplifies to 64/25. The square root of 64 is 8 and the square root of 25 is 5, so the square root of 2.56 is 8/5, which is a rational number.