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(e) Another radioactive sample’s activity was obtained for a 10-hour period.

Time/min Activity/Cpm

60 3100
120 2450 DO NOT WRITE IN THIS AREA
240 1480
360 910
480 545
600 330

(i) On the grid provided on page 20, display the above results on a graph to indi-
cate an exponential decay. DO NOT WRITE IN THIS AREA

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02238020/CAPE/SPEC 2017
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