What is the linear approximation of the square root of 8.9? Must be accurate to the fifth decimal place.

Question

I have tried entering 2.98328 but that does not appear to be correct.

Answer 1

Google search says it's 2.98329

Answer 2

WebWorks will not take the answer.

Answer 3

Did you look at my previous answer to this problem?
Why are you changing names?

http://www.jiskha.com/display.cgi?id=1412554250

Answer 4

It's 2.983, you only need 4 decimal places