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Estimating implies that the number is approximate to the desired value so any number squared that is close to the desired estimation would be considered close enough. Rounding off is a form of estimating and has a set of rules that accompany it. For simple estimating, (non-medical, hazardous items not included) like "what is the square root of 169". it would be about 13X13 or 13 squared. Get closer by finding the factors of 169. and simplify.
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Is negative 169 a square root?
Yes, it is the square root of (-169)*(-169) = 28,561
Is the square root of 169 rational?
The square root of 169 is 13
What is the square root of 169-?
The square root of the number 169, is 13 because when 13 is multiplied by itself, it results to 169.
What is the root of 169?
-13 or +13 are both square root of 169, but we often use the positive square root, 13, as the principal square root.
What is the square root of 170 - 1?
169
