What is 0.450 13 in scientific notation

Find the value of x. give reasons to justify your solutions! h ∈ ig

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction

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