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OpenStudy (anonymous):
A boat costs 19,200 and decreases in value by 12% per year. how much will the boat be worth after 5 years
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OpenStudy (anonymous):
i got 10,132.45?
OpenStudy (anonymous):
Thanks right, it is $10,132.45 or multiply the original value by .88 five times, once for each year
OpenStudy (anonymous):
Whoops, meant to say "That's right".
OpenStudy (anonymous):
Suppose a laboratory has a 38 g sample of polonium-210. The half-life of polonium-210 is about 138 days. How many half-lives of polonium-210 occur in 1104 days? How much polonium is in the sample 1104 days later?
OpenStudy (anonymous):
help with that?
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OpenStudy (anonymous):
I thought it was 8 ; 0.15 g? i think you round up not sure
OpenStudy (anonymous):
?
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