|

If we need to find the square root of a non-perfect
square, we can use our scientific calculators.
A great on-line scientific calculator can be found
here.
| First let's find the square
root of 89. Type in the number 89 and click on the
square root button (√).
The answer:
9.433981132...
Note:
some calculators require you to input the square root button
first, followed by the number.
|
       
Let's look at a couple more:
|
 |
Answer: 3.741657387... |
|
 |
Answer: 8.660254038... |
|
 |
Answer: 6.782329983... |
|
 |
Answer: 10.04987562... |

What if the problem we are working on
tells us to round?
No problem! Let's round this one
to the hundredth's place.
|
 |
9.539392014... |
9.54 |
Let's
practice.
|