Answer:
Explanation:
Given
Required
Determine the percentage error
First, we need to determine the difference in the measurement
The percentage error is calculated as thus:
<em>approximated</em>
Answer:
The Answer is D: A solid with no repeating pattern in its structure
Explanation:
The process in which a gaseous substance is converted into a condensed, more usable chemical substance is called fixation
The best and most correct answer among the choices provided by your question is the third choice or letter C.
Premenstrual syndrome<span> (</span>PMS<span>) has a wide variety of </span>symptoms, including mood swings, tender breasts, food cravings, fatigue, irritability and depression. It's estimated that as many as 3 of every 4 menstruating women have experienced some form of premenstrual syndrome<span>. </span>Symptoms<span> tend to recur in a predictable pattern.</span>
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Ln(800/3200) = - kt
t = 24 years.
ln(0.25) = -k*24
(- 1.3863) = -k*24
1.3863 / 24 = k
0.05776 = k
ln(0.5) = -k*t
-0.6931 = - 0.05776 t
12 = t
I don't know if you can just look at the question and know the answer. If 24 years is a quarter life then is it obvious that the 1/2 life is 12 years? It might be, but the method I've used works for sure.
