Study guides

Q: How do you simplify 5 root 21 squared?

Write your answer...

Submit

Related questions

21 times the square root of 5.

square root of 80 simplified= 16*5= 4 squared *5

2

The square root of 5 squared is 5, which is a rational number.

5

30

5

6 times the cube root of 5

b over the square root of 5 The square root of 5b squared is 5b, and the simplified form of the square root of 125 is 5 root 5. The 5s then cancel out leaving b over the square root of 5.

21 + 8 / 5 = 21 + 8/5 = 21 + 13/5 = 223/5

?

5 or -5

2 square root of 5

Square root of 5 time square root of 6 is the same as square root of 5 x 6, that is, square root of 30.

There is no simplification.

No

It is: 2484.572398

The square root of 5 is closer to 2. 2 squared is 4 and 3 squared is 9. 4 is much closer to 5 than 9.

5 squared is 25, and 6 squared is 36.Because 31 lies between 25 and 36, the square root of 31 lies between 5 and 6.

5 times the square root of two over 3 times the square root of two equals 5/3

5

5 squared equals 25. This is because 5*5 = 25. The definition of squared means you are multiplying a number times itself.

50 = 2 x 25 so root 50 = root 25 x root 2 = 5 root 2

9root 5-5 root 5 +2root 50 - root 50 = 4root 5 + 5 root 2

Simplified - it is 5/21