3 years ago

HURRY PLEASE!!! 10 MINUTES!!!!!!!!!!

Mathematics

2 answers:

Readme [11.4K]3 years ago

7 0

Answer:

I think it is D

Step-by-step explanation:

11Alexandr11 [23.1K]3 years ago

7 0

Answer:

Step-by-step explanation:

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a 23 gram sample of a substance thats a by-product of fireworks has a K-value of .13. whats the substances half life in days

nata0808 [166]

Given:
Initial mass, m₀ = 23 g
Decay constant, k = 0.13

Exponential decay obeys the equation
$m(t)=m_{0} e^{-kt}$
where t = time, days

For half life, the mass is m = m₀/2.
Therefore
$e^{-0.13t} = \frac{1}{2} \\ -0.13t = ln(0.5)\\t= \frac{ln(0.5)}{-0.13} =5.33$

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jenyasd209 [6]

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Hoochie [10]

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How do you spell 4.10 as a word form
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gayaneshka [121]

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