What's the square root of 98

98 is not a perfect square, so its square root is irrational.  That means that it can never be written exactly on paper with digits.  Written as a decimal,it keeps going forever,and never ends.The beginning is:  9.89949...Also, don't forget ... Every number has two square roots ... one positive and one negative.The other square root of  98  begins  -9.89949...  and keeps going forever.

9.8 or the full version 9.899494937