Mathematics, 19.11.2019 20:31 alexdonatalex1314
The mass of an electron is approximately 9.1*10^-31 kilograms. the mass of a proton is approximately 1.7*10^-27. approximately how many times greater is the mass of a proton than the mass of an electron.
a) 1900
b) 5500
c) 19000
d) 55000
Answers: 1
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If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.
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Mathematics, 21.06.2019 22:00
Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?
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Answers: 1
The mass of an electron is approximately 9.1*10^-31 kilograms. the mass of a proton is approximately...
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