document.write( "Question 1025554: A certain radioactive isotope has a half-life of 15 days. If one is to make a table showing the half-life decay of a sample of this isotope from 32 grams to 1 gram; list the time (in days, starting with t = 0) in the first column and the mass remaining (in grams) in the second column, which type of sequence is used in the first column and which type of sequence is used in the second column? \n" ); document.write( "
Algebra.Com's Answer #640942 by josgarithmetic(39618)\"\" \"About 
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An easy choice is every fifteen days. Common ratio of \"1%2F2\" for every fifteen days, so geometric sequence. \n" ); document.write( "
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