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ArbitrLikvidat [17]
3 years ago
8

5. The half-life of Po-210 is 140 days. If the initial mass of the sample is 5

Mathematics
1 answer:
Anit [1.1K]3 years ago
6 0

Answer:

1.25kg

Step-by-step explanation:

useing the problem the half life equation will be:

f(x)=5(0.5)^(x/140)

x is amount of days

so plugging in 280 for x will get 1.25kg

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NEED HELP WILL GIVE BRAINLEST
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8 0
3 years ago
The school uses between 300 and 400 sheets of paper per school day. If paper costs the school $2.00 per 100 sheets, approximatel
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Answer:

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<u>1. Using the minimun number of sheets  of paper in the interval [300, 400]</u>

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7 0
3 years ago
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