Part a: the sun produces 3.9 ⋅ 10^33 ergs of radiant energy per second. how many ergs of radiant energy does the sun produce in 1.55 ⋅ 10^7 seconds? (5 points) part b: which is the more reasonable measurement of the distance between the tracks on a cd: 1.6 ⋅ 10^−3 mm or 1.6 ⋅ 103 mm? justify your answer. (5 points)

Bella want to know what the students at her school think of her show. which is the best group to survey to find this information a. go to the mall and ask all of the students she recognizes from school b. ask her viewers to call in durning an episode of the show c. get a list of students at her school from the office and use a random number generator to pick 30 of them d. get a list of students at her school from the office and pick the first 30 students on the list

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.

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?