Mathematics, 28.07.2019 16:00, ellabarzyk128
The density of hydrogen is approximately 9 × 10-5 , while the density of helium is approximately 2 × 10-4 . which of the following is true? a. the density of hydrogen is approximately 20 times the density of helium. b. the density of helium is approximately 20 times the density of hydrogen. c. the density of hydrogen is approximately 2 times the density of helium. d. the density of helium is approximately 2 times the density of hydrogen.
Answers: 1
Mathematics, 21.06.2019 19:40, joexx159
The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол
Answers: 1
The density of hydrogen is approximately 9 × 10-5 , while the density of helium is approximately 2 ×...
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