The answer to this is a conversion of 1 meter to feet which is about 3.3 ft
'' In math, a geometric series is a series with a constant ratio between successive terms.
The work may be calcualted as the differential of potencial energy or as the product of the force x the distance. The result is the same.
T = weight x height
T = 290 pound * 28 feet = 8120 foot-pound
Step 2: commutative property of multiplication
Step 3: multiplicative inverse
Step 4: multiplicative identity