A distance AB is observed repeatedly using the same equipment and procedures, and the results, in meters, are listed:
77.401, 77.400, 77.402, 77.396, 77.406, 77.401, 77.396, 77.401, 77.405, and 77.404
Determine the range within which the observations should fall 90% of the time. Express your answers, separated by a comma, to six significant figures.

Q1) jin loves carrot yesterday she ate ½ of here carrots and today she ate 2/3 of the remaining carrots. she then discover that she has 12 carrots left. yesterday she must has started with carrots? a)36 b)48 c)60 d)72

Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?