divide by 9
490 sq feet = 490/9 = 54.44... sq yards.
5 inches is 5/12 feet. So volume of concrete required is 490 x 5/12 = 204.16 cubic feet There are 3 x 3 x 3 = 27 cubic feet in a cubic yard. Therefore the volume required is 204/27 = 7.56 cubic yards (say 8 cubic yards). A useful example of estimating foundations and floor is at `Estimating - Foundation and Floor' http://www.inquirewithin.biz/Vol2/Estimating/estimating_foundations.htm
3 feet = 1 yard so the answer is 1,470 feet.
490 cm is 16.1 feet.
490 square feet.
490 square feet.
35 × 14 = 490 square feet
At North Star they said that the Sun is 490 billion feet away from the earth
1,607.61 feet or 1,607 feet 7.3 inches.
Circumference of the circle in feet = 24*pi Area of the circle in square feet = pi*122
.490
The average distance between the Sun and Earth is about 93 million miles, which is roughly 490 million feet.