The half-life of a certain material is 0.002 second. Approximately how much of a 14-gram sample will be left after 0.004 second?
1 answer:
Answer:
B. 3.5 grams.
Step-by-step explanation:
After 0.002 seconds 1/2 * 14 = 7 grams will be left.
After another 0.002 seconds ( total 0.004 seconds), 1/2 * 7 = 3.5 grams will be left.
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