What is the simplified value of the exponential expression 273?

How do i do this activity, is appreciated

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

Answer this two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: two right triangles abc and edc have a common vertex c. angle abc and edc are right angles. ab is labeled 13 feet, ac is labeled 15 feet, ec is labeled 10 feet, and ed is labeled 4 feet.what is the approximate distance, in feet, between the two poles? 11.14 feet16.65 feet14.35 feet15.59 feet