Concept explainers
To estimate: Square root
Answer to Problem 69SR
The estimated value of
Explanation of Solution
Given information: A square root number
Concept used: It is to find two perfect square numbers in between those, the number 396 lies and square root of its closest that perfect square number becomes the estimated value of square root of 396.
Calculation: As 396 lies between two perfect square numbers 361 and 400, so that 361 is square of 19 and 400 is square of 20, and also 396 is closest to 400, thus value of
Or,
Conclusion: Thus, by above concept, it is cleared that as 396 is more closer to perfect square 400, its square root value 20 will also be the value of
Chapter 10 Solutions
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