Part a: the sun produces 3.9 ⋅ 10^33 ergs of radiant energy per second. how many ergs of radiant energy does the sun produce in 1.55 ⋅ 10^7 seconds? part b: which is the more reasonable measurement of the diameter of a human hair: 1.8 ⋅ 10^−2 mm or 1.8 ⋅ 10^2 mm?me!

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

What is the measure of angle x? answer

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field