hhhjbgyukvyunfumgth hhhjbgyukvyunfumgth

16-01-2021
Mathematics

contestada

evaluate.
[tex] - \sqrt{81} [/tex]
.......

Respuesta :

couragepaul12 couragepaul12

16-01-2021

Answer:

Step-by-step explanation:

First find factors of 81

3 81

3 27

3 9

3 3

1

81 = 3×3×3×3

81 = 3^4

Taking squareroot

∴ -√81 = -√3^4

= -3^2

= -9

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