Answers by Zhenyu Li
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Answers by Zhenyu Li

Answers by Zhenyu Li
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How many two digit positive integers can be formed from the digits 1, 3, 5, and 9, if no digit is repeated?
answered Nov 8, 2018
4 votes
58.1k views
Find the roots of 3x^2 - 10 = 0
answered Oct 7, 2018
6 votes
38.7k views
Should engineers respect the sacred spaces and culturally important sites of a community? why or why not? how and to what extent
answered Jun 29, 2018
4 votes
111k views
Express this number in scientific notation. 3,868,000,000
answered Sep 30, 2017
7 votes
222k views
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