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Lapatulllka [165]
3 years ago
9

If 38,433 = 3.8433 x10m, then m =​

Mathematics
2 answers:
Ierofanga [76]3 years ago
7 0
1000 is the best answer
nevsk [136]3 years ago
5 0

Answer:

1000

Step-by-step explanation:

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Problem PageQuestion The mass of a radioactive substance follows a continuous exponential decay model, with a decay rate paramet
asambeis [7]

Answer:

<em>t = 1.51</em>

Step-by-step explanation:

<u>Exponential Model</u>

The exponential model is often used to simulate the behavior of a magnitude that either grow or decay in proportion to the existing amount of that magnitude.

The model can be expressed as

M=M_oe^{kt}

In this case, Mo is the initial mass of the radioactive substance and k is a constant which value is positive if the mass is growing or negative if the mass is decaying.

The value of k is not precisely given in the question, we are assuming k=-0.2

The model is now

M=M_oe^{-0.2t}

We are required to compute the time it takes the mass to reach one-half of its initial value:

\displaystyle \frac{M_o}{2}=M_oe^{-0.2t}

Simplifying

\displaystyle \frac{1}{2}=e^{-0.2t}

Taking logarithms

\displaystyle ln\frac{1}{2}=ln(e^{-0.2t})=-0.2t

Solving for t

\displaystyle t=-\frac{ln\frac{1}{2}}{0.2}=1.51

6 0
3 years ago
Darius deposits $300 into a new savings account. The account earns interest at a rate of 2.18% every 6 months. How much money do
vlada-n [284]
At the end of the 6 months the balance would be 360.54
5 0
3 years ago
According to the Journal of the American Medical Association (JAMA), hospitals that routinely staff with 1:8 nurse-to-patient ra
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120 nurses × 4 patients = 480 patients total
8 0
3 years ago
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What is the inverse of the logarithmic function<br> f(x) = log₂x?
Shtirlitz [24]

Answer:

An exponential function.

f(y)=g^{y}  

Step-by-step explanation:

The inverse of the logarithmic function is an exponential function.

6 0
2 years ago
Plss answer my questions​
KIM [24]

Answer:

a) 450. b) 1:1.25 c) 32 rooms

Step-by-step explanation:

1. 100*4.5 = 450

2. 16:20 divide by 4 -> 4:5  (simplifies to 1:1.25)

3. 64/2 = 32 rooms needed. They have 16.

Sorry if answers are wrong, the picture quality is really poor for me.

8 0
2 years ago
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