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Earn +20 ptsQ: What is 7854 round to the nearest hundreds place?
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How many hundreds in 7854?
7 thousand 8 hundred and 54
How do you write 7854 in scientific notation?
It is: 7.854*103
What is the approximate area of a circle in which the diameter is 14 feet?
Area of circle = Pi/4 x D2 Pi/4 = .7854 Area = .7854 x 14 x 14 = 153.94 square feet (rounded)
What is the area of a circle with diameter of 4.45 cm?
Area = (Pi/4)*diameter2 = .7854*4.452 = 15.5528 sq.cm.
If a typical radial engine has a bore of 5.5 inches and a stroke of 5.5 inches what is the area and where is the piston displacement?
This is the formula. Area = .7854 x bore^2 A = .7854 x 30.25 (5.5^2) A= 23.75 sq.in Volume = Area x stroke 23.75 x 5.5 = 130.625 cubic inches. *This is just one piston. If engine was a nine cylinder then 130.625 x 9 = 1175.625*
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