How do you find the square root of 81 16?

How do you find the square root of 81 16?

We simplify 81 and 16 by prime factorisation (expressing a number as a product of its prime factors).

1. √81=√3⋅3⋅3⋅3=√9⋅9=√92=9.
2. √16=√2⋅2⋅2⋅2=√4⋅4=√42=4.

What is the simplified form of 16 81?

As you can see, 16/81 cannot be simplified any further, so the result is the same as we started with. Not very exciting, I know, but hopefully you have at least learned why it cannot be simplified any further!

What is a square root of 81?

9
Thus, the square root of 81 is 9.

What are the real fourth roots of 1 and 16 81?

-1 is the other real fourth root of 1. Since -0.0001 is negative, there are no real fourth roots of -0.0001. Since 16/81 is positive, there are two real fourth roots. 2/3 is a real fourth root of 16/81.

What number is equal to square root of 16?

4
The square root of 16 is 4. It is the positive solution of the equation x2 = 16. The number 16 is a perfect square….Square Root of 16 in radical form: √16.

Is the square root of 4 9 rational or irrational?

The number 4/9 is a rational number.

Can you simplify 81 100?

As you can see, 81/100 cannot be simplified any further, so the result is the same as we started with.

Can you simplify 64 over 81?

As you can see, 64/81 cannot be simplified any further, so the result is the same as we started with.

How many 4th roots does 81 have?

3
The fourth root of 81 is 3. By definition, the fourth root of 81 is the number y, such that y4, or y × y × y × y, is equal to 81.

What is the cube root of 81 simplified?

The prime factorization of 81 is 3 × 3 × 3 × 3, hence, the cube root of 81 in its lowest radical form is expressed as 3 ∛3….Cube Root of 81.