High school text books don't last forever. The lifespan of all high school statistics textbooks is approximately normally distributed with a mean of 9 years and a standard deviation of 2.5 years. What percentage of the
books last more than 10 years?
34.5%
84.5%
O O O O O
65.5%
11.5%
69%

answer: the resulting cross section is a rectangle. solution: a plane parallel to the base of a triangular prism will intersect a cross section that is the same shape as its bases. so the cross section is a triangle.

step-by-step explanation:

the 8 in 8,420 is in the thousands place so it's value is 8 thousand.

the 8 in 6,870 is in the hundreds place so it's value is 8 hundred.

divide 8000 by 800 to find the answer:

8000 / 800 = 10

the 8 in 8,420 is 10 times greater than the 8 in 6,870

a orange at the grocery store idk what other product that could be