Simplify 81−−√
Responses
92√
9 square root of 2
3
3
9
9
9√
9
9
To simplify the expression 81−−√, we need to find the square root of 81. The square root is a number that, when multiplied by itself, gives the original number.
We can find the square root of 81 by taking the square root of the factors of 81. Since 81 is a perfect square (9 times 9), its square root will be a whole number.
Therefore, the simplified expression is 9.