We have to solve the equation for "years" (You can find the formula here: http://www.1728.org/halflif2.htm or you can just read the next line
time = natural log (bgng amt / endg amt) / k time = natural log (100 / 5) / .00043 time = natural log (20) / .00043 time = 2.9957322736 / .00043 time =
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6,967</span></span></span><span> years </span> We should double-check this. First, we need the half-life k = ln(.5) / half-life half-life = <span>-.693147 / -.00043 half-life = 1,612 years Now let's see how many half-lives that is: </span><span>6,967 / 1,612 years = 4.2 half-lives So basically, after 4 half-lives the mass should go from
Answer: the number that are at the left side of the decimal is the whole numbers and the ones at the right are like the ones less than the whole numbers
No attempt is made to influence anything - just ask questions and record the responses. By definition, An observational study measures the characteristics of a population by studying individuals in a sample, but does not attempt to manipulate or influence the variables of interest.
