900
There is 145,200,000,000 square yards in thirty million acres.
9 and 25
0.046 square miles are in 30 acres.
one
There are five square numbers in that range: 1, 4, 9, 16 and 25
Thirty feet by thirty feet is ninety square feet (just multiply length by width).
There are 10 square numbers
2 square numbers: 2,4
432yards---samba
A square with a thirty foot side length has an area of 900 square feet.
How do you write thirty-one million in numbers