Question

What is the square root of 90 by estimation

Answer 1

Answer:

Therefore you can conclude that the square root of 90 is about 3 x 3.1 = 9.3 .

9^2 < 90 < 10^2

9^2 < 90 < 10^281 < 90 < 100

9^2 < 90 < 10^281 < 90 < 100As , 90 is more near to 81 , hence ;

9^2 < 90 < 10^281 < 90 < 100As , 90 is more near to 81 , hence ;√90 = 9 ( appoximately )

Step-by-step explanation:

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Answer 2

Answer:

Square root of 81 is 9 and square root of 100 is 10

As 90 is between 81 & 100 so square root of 90 is between 9 & 10

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