The number of songs purchased from an online music store on the first day the store open was 300,000. the number of songs purchased on day x after the first day is given by the expression 300,000 (1.008^n). each day the number of songs purchased is what percent greater than the number of songs purchased the preceding day?

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.