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STALIN [3.7K]
3 years ago
9

Evaluate.

qrt{81} " align="absmiddle" class="latex-formula">
.......
​
Mathematics
1 answer:
loris [4]3 years ago
5 0

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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