Find two square roots of 120 and round it to the nearest tenth

1 is the ones place 2 is the tens place and 0 is the hundreds place so now u know 2 is the tens place what u have to do is look behind the tens place with is the hundreds place 0 if it’s 5 or up u can round it but looks like u can’t and since it’s already a 0 u really can’t do anything so the answer is basically 120

She will need 5/8 bags for each square yard.