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Between which two integers is the value of [tex]\sqrt{89}[/tex]?

A. 6 and 7
B. 7 and 8
C. 8 and 9
D. 9 and 10


Sagot :

To determine between which two integers the value of [tex]\(\sqrt{89}\)[/tex] lies, we need to consider the properties and behavior of square roots with respect to integers.

1. We start by observing the squares of consecutive integers to establish a range around 89.

- The square of 9 is [tex]\(9^2 = 81\)[/tex].
- The square of 10 is [tex]\(10^2 = 100\)[/tex].

2. Next, we note that 89 falls between these two squares:
[tex]\[ 81 < 89 < 100. \][/tex]

3. Since 81 is the square of 9 and 100 is the square of 10, it means that:
[tex]\[ 9 < \sqrt{89} < 10. \][/tex]

Therefore, [tex]\(\sqrt{89}\)[/tex] lies between the integers 9 and 10.

Hence, the value of [tex]\(\sqrt{89}\)[/tex] is between the two integers:
[tex]\[ \boxed{9 \text{ and } 10}. \][/tex]