Express the number 8711 in scientific notation (round to 2 places).
What will be an ideal response?
8.7 ð 103
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Rationalize the denominator.
A. 
B. 
C. 
D. 
Solve the problem.A straight trail with a uniform inclination of 18° leads from a lodge at an elevation of 800 feet to a mountain lake at an elevation of 7,100 feet. What is the length of the trail (to the nearest foot)?
A. 22,976 ft B. 20,387 ft C. 6,624 ft D. 7,465 ft
Solve. Use ? ? 3.14 when necessary.Find the volume of a pyramid with a height of 3 km and a square base of 5 km on a side.
A. 7.5 km3 B. 25 km3 C. 75 km3 D. 37.5 km3
Solve the problem.From the edge of a 1000-foot cliff, the angles of depression to two cars in the valley below are 21° and 28°. How far apart are the cars? Round your answers to the nearest 0.1 ft.
A. 714.4 ft B. 713.4 ft C. 724.4 ft D. 724.5 ft