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09-07-2021
Mathematics

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Which of the following are square root of the number below? Check all that apply.

81

Which of the following are square root of the number below Check all that apply 81 class=

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jimrgrant1 jimrgrant1

09-07-2021

Answer:

A, B, D, E

Step-by-step explanation:

[tex]\sqrt{81}[/tex] = ± 9 → D and E

Since 9 × 9 = 81 and - 9 × - 9 = 81

[tex]81^{\frac{1}{2} }[/tex] = [tex]\sqrt{81}[/tex] = 9 → B

- [tex]81^{\frac{1}{2} }[/tex] = - [tex]\sqrt{81}[/tex] = - 9 → A

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