For an aquatic site 2 miles long and 99 feet wide with an average depth of 7 feet, what is the bottom area in acres?

Study for the Utah Aquatic Pesticide Exam. Utilize flashcards and multiple-choice questions with hints and explanations. Prepare thoroughly for your certification!

Multiple Choice

For an aquatic site 2 miles long and 99 feet wide with an average depth of 7 feet, what is the bottom area in acres?

Explanation:
The bottom area is the surface area of the site, which comes from length times width. Depth doesn’t affect bottom area. Convert 2 miles to feet: 2 miles = 10,560 ft. Multiply by the width: 10,560 ft × 99 ft = 1,045,440 square feet. There are 43,560 square feet in an acre, so convert: 1,045,440 ÷ 43,560 = 24 acres. If you needed volume, you’d multiply by depth (7 ft) to get 7,318,080 cubic feet, which is 168 acre-feet, but for bottom area in acres, it’s 24.

The bottom area is the surface area of the site, which comes from length times width. Depth doesn’t affect bottom area.

Convert 2 miles to feet: 2 miles = 10,560 ft. Multiply by the width: 10,560 ft × 99 ft = 1,045,440 square feet.

There are 43,560 square feet in an acre, so convert: 1,045,440 ÷ 43,560 = 24 acres.

If you needed volume, you’d multiply by depth (7 ft) to get 7,318,080 cubic feet, which is 168 acre-feet, but for bottom area in acres, it’s 24.

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