The united states postal service delivers about 2^8 x 5^2 pieces of mail each second. there are 2^8 x 3^4 x 5^2 seconds in 6 days. how many pieces of mail does the united states postal service deliver in 6 days? write your answer as an expression involving three powers

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

Landon wrote that 3−2.6=4. which statement about his answer is true?

Look at the figure xyz in the coordinate plane. find the perimeter of the figure rounded to the nearest tenth.