MUST SHOW WORK FOR THIS QUESTION TO RECEIVE CREDIT. UPLOAD WORK TO DROPBOX AFTER SUBMITTING THE EXAM. A radioactive isot

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MUST SHOW WORK FOR THIS QUESTION TO RECEIVE CREDIT. UPLOAD WORK TO DROPBOX AFTER SUBMITTING THE EXAM. A radioactive isot

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Must Show Work For This Question To Receive Credit Upload Work To Dropbox After Submitting The Exam A Radioactive Isot 1
Must Show Work For This Question To Receive Credit Upload Work To Dropbox After Submitting The Exam A Radioactive Isot 1 (43.45 KiB) Viewed 41 times
MUST SHOW WORK FOR THIS QUESTION TO RECEIVE CREDIT. UPLOAD WORK TO DROPBOX AFTER SUBMITTING THE EXAM. A radioactive isotope disintegrates according to first order kinetics. The half life of the isotope is 90.0 hours. How long does it take for the sample to reduce to 30.0% of the initial amount? 125 hr 80 hr 240 hr 189 hr 156 hr
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