Mathematics, 22.04.2021 03:10 briannaroberson16

The half-life of cobalt-56 is 69.25 days. How long will it take for a 180-gram sample to decay to 15 grams? Round to the nearest thousandth. if possible please explain step by step, as i have to show my work. thank you!

The half-life of cobalt-56 is 69.25 days. How long will it take for a 180-gram sample to decay to 1

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