Whats 123456789 as a sqaure root

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Which numbers have the same absolute value? choose all that apply. asap will mark at brainliest

There are 10 chicks on ginger's farm .she has 2 chicks in one outdoor pen and 5 chicks in another. the rest of the chicks are in the barn.what is the fraction of total chicks in outdoor pens?