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NvidiaIntely (nvidiaintely):
Strontium-90 is a radioisotope that will decrease in mass by one-half every 29 years. How many years will it take for a 10.0-gram sample of strontium-90 to decay to 5.00 grams? 1 14.5 29 58
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NvidiaIntely (nvidiaintely):
@Kevin @agent0smith @welshfella @Will.H @sweetburger @thephysicsman @TheSmartOne
OpenStudy (welshfella):
5 g is half of 10 g so......
OpenStudy (kevin):
5/10 = (1/2)^t/29 t = 29
NvidiaIntely (nvidiaintely):
Thanks Welshfella and Kevin! (That was good hint Welshfella)
OpenStudy (welshfella):
yw
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