The answer depends on the units used for the measurements given in the question.
One acre has 43,560 square feet. Divide the number of square feet by that and you get the number of acres. This gives you an answer of 51.65 acres.
1,500' x 1,500' = about 51.65 acres.
3,000,000 square feet is is 68.87 acres.
34.435 acres (rounded) IF the 1,000 x 1,500 is a rectangle.
900 ft * 1500 ft = 1350000 sq ft = 30.99 acres.
That would be 68.87 acres.
There are approximately 0.37 acres in 1500 square meters.
1,500' x 1,500' = 2,250,000 square feet or about 51.7 acres.
about 1500 acres
1500m2 is 0.3706581 acres.
About 17.2 acres.
1500 acres
About 15.5 acres.