13. how is 0.00069 written in scientific notation?
a. 69 x 10–5
b. 6.9 x 104
c. 0.69 x 10–3
d. 6.9 x 10–4

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

What is the x-intercept and y-intercept of the equation 2x+1. 2o

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?