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A randomly generated password has four characters. Each character is either A, B, C, D, E or F or a number from 0 - 9. Each character in the password can only be used once. What is the probability that

asked Mar 23, 2021

Mathematics
college

1 answer

4 votes

196k views

A tin atom has an atomic number of 50 and a mass number of 118. How many neutrons are present in this atom?

asked Jan 9, 2021

Chemistry
high-school

1 answer

5 votes

16.4k views

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