In April of 1986, the world's worst nuclear power disaster occurred at Chernobyl in the former USSR. An explosion released about 955 kilograms of radioactive cesium-137 (137 Cs) into the atmosphere. If the half-life of 137 Cs is 30.17 years, how much will remain in the atmosphere in 191 years?
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Please enter your answer as a number without the units, rounded to four decimal places.
Fill in the blank(s) with the appropriate word(s).
11.8644
Mathematics
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Solve the problem.The amount of particulate matter left in solution during a filtering process is given by the equation 
where n is the number of filtering steps. Find the amounts left for 
and 
. (Round to the nearest whole number.)
A. 800, 50 B. 800, 12,800 C. 1600, 50 D. 800, 25
Mathematics
Write the expression in the standard form a + bi.i12
A. -1 B. i C. 1 D. -i
Mathematics
Find the whole.192 hotels is 48% of what number of hotels?
A. 0.25 B. 400 C. 25 D. 4000
Mathematics
Solve and simplify.
+ x = 
A. x = 
B. x = 
C. x = 
D. x = 
Mathematics