Mathematics, 19.10.2020 19:01, sirdre1982
Part A: The sun produces 3.9 β 1033 ergs of radiant energy per second. How many ergs of radiant energy does the sun produce in 3.25 β 103 seconds? (5 points) Part B: Which is the more reasonable measurement of the distance between the tracks on a railroad: 1.435 β 10β3 mm or 1.435 β 103 mm? Justify your answer. (5 points)
Answers: 1
Mathematics, 21.06.2019 22:30, hannahkharel2
What is the least common multiple for 6 and 8? what is the least common multiple for 4 and 12 ? what is the least common multiple for 11 and 12? what is the least common multiple for 3 and 6?
Answers: 1
Mathematics, 22.06.2019 02:30, arrichardson787
Aresearch study is studying the effects of a new drug for osteoporosis alzheimer's disease (ad) for women above the age of 65 years. a group of individuals with osteoporosis is randomized into two groups. one group is treated conventionally, and the second group is treated with the new medication. assessments are made at 3, 6, 12, 36, and 48 months. the conventionally treated group is assessed for ad using a serum blood test, and the treatment group is assessed for ad using a pet radiotracer that binds to beta-amyloid plaques. in comparing these 2 trial arms, the authors of the study may encounter which type of bias? a. selection bias on the risk of developing b. measurement bias c. confounding bias d. recall bias e. lead-time bias
Answers: 2
Part A: The sun produces 3.9 β
1033 ergs of radiant energy per second. How many ergs of radiant ener...