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Lapatulllka [165]
3 years ago
13

40081 in scientific notation

Mathematics
1 answer:
Maksim231197 [3]3 years ago
4 0

4.0081 x 10 to the 4th power. I know because I did this one.

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Can you please help me solve this?
oee [108]
So, i would use the add the two equation method, so add those to get:
2e=-4
e=-2
then plug in e to get d, so d+-2=1
d=3
plug into the other one to make sure
-3+-2=-5
so it would be (3,-2)
8 0
3 years ago
Que significa 4,800/6
Anettt [7]
4800/6 = 800
Hope this helps. 

8 0
3 years ago
Which point is located at (-3,6) <br><br> A) A<br><br> B) B<br><br> C) C<br><br> D) D
Andrej [43]

Answer is A

Step-by-step explanation:

Go over to the left 3 times then up 6

3 0
2 years ago
What is the rate of change of the line on the graph below?
Whitepunk [10]
The rate of change on the line is x line goes to the right and y line goes upward
5 0
3 years ago
Read 2 more answers
Please explain I really need help
velikii [3]

Answer:

1. 1343 years

2. 9 hours

3. 39 years

Step-by-step explanation:

1. Given, half-life of carbon = 5730 years.

∴ λ = 0.693/half-life of carbon = 0.693/5730 = 0.000121

If N₀ = 100 then N = 85

Formula:- N = N₀*e^(-λt)

∴ 85 = 100 * e^(-0.000121t)

∴㏑(-0.85)=-0.000121t

∴ t = 1343 years

2. Given half-life of aspirin = 12 hours

λ = 0.693/12 = 0.5775

Also N₀ = 100 then 70 will disintegrate and N = 30 will remain disintegrated.

∴ 70 = 100 *e^(-0.05775t)

0.70 = e^(-0.05775t)

㏑(0.70) = -0.05775t

∴ t = 9 hours

3.  The population of the birds as as A=A₀*e^(kt)

Given that the population of birds fell from 1400 from 1000, We are asked how much time it will take for the population to drop below 100, let that be x years.

The population is 1400 when f = 0, And it is 1000 when f = 5

We can write the following equation :

1400 = 1000e^(5t).

∴1400/1000 = e^(5k)

∴ k = ㏑(1.4)/5

We need to find x such that 1400/100 = e^(xk)

14 = e^(xk)

∴ x = 39 years

5 0
3 years ago
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