- Cobalt 60 has a half life of 5 years. how many grams of a 300 g sample will remain after 20 years?

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Street Smarts? Please give me specific detailed examples of street smarts. Thanks.? What is an example of true solution, suspension and colloids? What is known as the committee of one thousand? 1000? What is the slope-intercept form of an equation that goes through (3,-2), and parallel to y=5/2x+3? Type any equation so that the answer is 100.?

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