How long will it take for the 1.35-mg sample of 236pu in example 19.4 to decay to 0.100 mg? (the half-life of plutonium-236 is 2.86 yr.) express the time in years to three significant figu

The expression 20l+25g-10 calculates the number of dollars that the abc lawn company. how many dollars does the company make from raking 444 gardens and mowing 333 lawns

Nikita wants to apply for student aid to fund her college education. arrange the steps involved in nikita’s application for financial aid

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