Mathematics, 21.07.2019 20:30, ultimatesaiyan

Bromine-82 has a half of about 35 hours. after 140 hour, how many milliliters of an 80 ml sample will remain? a,65ml b.20ml c.10ml d.5ml

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Bromine-82 has a half of about 35 hours. after 140 hour, how many milliliters of an 80 ml sample wil...