Multiply and answer in scientific notation: (3.8 x 108)(6.9 x 105)
a) 2.622 x 1013
b) 2.622 x 1014
c) 26.22 x 1013
d) 26.22 x 1014

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?