Mathematics, 23.11.2020 02:50 jpsaad00
If 8 g of a radioactive substance are present initially and 2 yr later only 4 g remain, how much of the substance will be present after 5 yrs?
Answers: 2
Mathematics, 21.06.2019 19:30
You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?
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Mathematics, 21.06.2019 21:20
An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.
Answers: 2
If 8 g of a radioactive substance are present initially and 2 yr later only 4 g remain, how much of...
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