Answers by Nikhil Verma
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Answers by Nikhil Verma

Answers by Nikhil Verma
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The mean of seven numbers is 21. Five of the numbers are 18, 23, 21, 17, and 19. One of the remaining numbers is 3/4 of the other remaining number. Find the two unknown numbers.
answered Aug 23, 2017
2 votes
83.8k views
What is the final product of a sequence of spontaneous nuclear decay reactions? a. a stable isotope b. a radioisotope c. a hydrogen atom d. a more massive atom
answered Mar 11, 2017
4 votes
176k views
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