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A sample starts with 1000

A sample starts with 1000 radioactive atoms. How many half-lives have elapsed when 875 atoms have decayed?I am not sure how to
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2. asked by Amena
3. 2,463 views
(MC) If the compound interest on $1000 for two years at 9% p.a., payable half-yearly is $x, find x.A) 1000x9/100x2 B)
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2. asked by Anna Choi
3. 703 views
Real GDP: 0, 2000, 4000, 6000, 8000, 10000Consumption: 1000, 2500, 4000, 5500, 7000, 8500 Saving: -1000, -500, 0, 500, 1000,
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2. asked by 111
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one Percentage increase / decrease formula in excel that full all the conditions that are mentioned below2012 2011 1 0 0 2 0 500
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2. asked by Muhammad Ashfaq
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one Percentage increase / decrease formula in excel that full all the conditions that are mentioned below2012 2011 1 0 0 2 0 500
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2. asked by Muhammad Ashfaq
3. 612 views
A lottery offers one $10000 prize, one $5000 prize and five $1000 prizes. 1000 tickets are sold at $30 each . Find the
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2. asked by Anonymous
3. 1,390 views
Find the amount of money in the account at the end.$1000.00, 4 years, 7% compounded semi-annually A=P(1+r/n)^nt r=0.07, t=4,
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2. asked by Sara
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blood cholesterol level of all men age 20-24 follows N(188,41) where the units for the men and standard deviation are in mg/dl.
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2. asked by sam
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Assume that the population proportion is .55. Compute the standard error of the proportion, ( ), for sample sizes of 100, 200,
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2. asked by Vanessa
3. 900 views
A sample contains an unknown amount of tartaric acid, H2C4H4O6. If 0.3888 g of the samplerequires 37.74 mL of 0.1000 M NaOH to
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2. asked by Jamal
3. 1,517 views