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OpenStudy (vera_ewing):
The half-life of carbon-14 is 5730 years. If we start with 10 grams of carbon-14, after 5730 years, we will have _____ of carbon-14 left. A. 1 gram B. 2.5 grams C. 5 grams D. zero grams
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OpenStudy (vera_ewing):
@JoannaBlackwelder A or B?
OpenStudy (joannablackwelder):
No, after 1 half life, you have half of what you started with.
OpenStudy (vera_ewing):
C?
OpenStudy (joannablackwelder):
Yep
OpenStudy (vera_ewing):
Thanks! :)
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OpenStudy (joannablackwelder):
yw
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