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GREYUIT [131]
2 years ago
15

Alexander Litvinenko was poisoned with 10 micrograms of the radioactive substance Polonium-210. Since radioactive decay follows

a compounded continuously model, we can determine the amount of substance left in Alexander Litvinenko's body at any given time. If Polonium-210 has a decay rate of .502%, then determine the amount of Polonium-210 left in his body after 40 days. Provide 3 decimal places and units in your answer.
Mathematics
1 answer:
Artist 52 [7]2 years ago
7 0

Answer:.

Step-by-step explanation:

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A cube has a volume of 512 cubic mm. If all sides of the cube ae divided by 4, what will the resulting volume be?
kotegsom [21]
Volume of a cube = s³ 

Therefore, s³ = 512, meaning that s = 8.

The question asks what the resulting volume would be if all sides of the cube were divided by 4.

The current side measures 8, and we know that 8/4 = 2.

Thus, the resulting volume = s³ = 2³ = 8 cubic mm.
6 0
2 years ago
ASAP HELP ME plz wit this
Lina20 [59]

Answer:

Step-by-step explanation:What??

5 0
2 years ago
If the interest rate on a savings account is 0.018%, approximately how much money do you need to keep in this account for 1 year
Diano4ka-milaya [45]
<span>We are not told how often the interest is compounded, so assuming it is <em /><u><em>compounded yearly</em></u>, you need to keep $9.99 in the account to pay the fee.

<u><em>Explanation: </em></u>
Compound interest follows the formula A=p(1+r)^t,
where:
A is the total amount in the account,
p is the amount of principal,
r is the interest rate as a decimal number,
and t is the number of years.

<u>For our problem: </u>
A = 9.99,
p is unknown,
r = 0.018% = 0.00018,
and t=1.

<u>This gives us: </u>
9.99=p(1+0.00018)^1;
9.99=p(1.00018).

<u>Divide both sides by 1.00018: </u>
9.99=p.</span>
3 0
3 years ago
Read 2 more answers
PLEASE HELP!! THANK YOU!
Korvikt [17]
Answers A and C and correct for this equation. 
5 0
3 years ago
Read 2 more answers
What is the fourth term in this multiplication pattern? multiplication pattern using the formula 2 • 6n – 1 A. 72 B. 12 C. 432 D
arlik [135]
4th term = 2 * 6^(4-1) = 2 * 216 = 432 answer
6 0
3 years ago
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