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Q: The daughter product in this Decay is lead 207 what percentage of total possible amount of lead 207 has been produced after 1,420 million years?

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In 2006 the US produced 1053 million tonnes out of total world production of 6195 million tonnes, which makes 17 percent

230 million in percentage = 2.3 billion %

a sample is brought to the laboratory and the chemist determines the percentage of the daughter isotope is 87.5%. if the half-life of the isotope is 150 million years, how old is the sample?

1 million, as a percentage of 35 million is the same as 1 as a percentage of 35. The value = 100*1/35 = 2.857142....%

percentage = 466.67%% rate:= 14 million/3 million * 100%= 4.6667 * 100%= 466.67%

It is 280 million%

91 million as a percentage = 9100000000% (9.1 billion%)91 million= 91 million * 100%= 91000000 * 100%= 9100000000%

Divide 300 by 5.7 to get the percentage. In this case the answer is 52.63%.

50 million = 5,000 million percent

parts per million to percentage divide by 10 000 percentage to parts per million mulyiply by 10 000 Dachu

91.4 million is an increase of +2.58% on 89.1 million

350 million = 35,000,000,000%

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