The number of bacteria in a colony is growing exponentially. A scientist notes that the number of bacteria in the colony is 50. Two hours later, she
notes that the number of bacteria has increased to 80. If this rate of growth continues, how much more time will it take for the number of bacteria
to reach 100?
Aabout 0.95 hours
B. about 0.16 hours
C. about 9.80 hours
D. about 6.85 hours

Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors? 95% ci for pw-pg: (0.064, 0.156)