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skelet666 [1.2K]
2 years ago
9

Please only give me the check from numbers 1 to 5

Mathematics
1 answer:
Marizza181 [45]2 years ago
4 0

Answer:

1) f=30

2) w=21

3) x=72

4) t=12

5) y=6

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If 588 digits were used to number the pages of a book, how many pages are in this book?
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294 pages are in this book

Step-by-step explanation:

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The half life of silicone-32 is 710 years. If 30 grams is present now, how much will be present in 300 years?
Irina18 [472]

Answer:

22.38 g of silicone-32 will be present in 300 years.

Step-by-step explanation:

A radioactive half-life refers to the amount of time it takes for half of the original isotope to decay and its given by

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where,

N(t) = quantity of the substance remaining

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From the information given we know:

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  • The time elapsed is 300 years.
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So, to find the quantity of silicone-32 remaining we apply the above equation

N(t)=30\left(\frac{1}{2}\right)^{\frac{300}{710}}=30\left(\frac{1}{2}\right)^{\frac{30}{71}}\approx22.38 \:g

22.38 g of silicone-32 will be present in 300 years.

7 0
3 years ago
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see below

Step-by-step explanation:

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ie. question 6

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that will get you through questions 1 to 3, 5 to 6, and 8

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remember change of base is log_{a} b = \frac{log_xb}{log_xa}, this will be useful if you need your calculator since calculators only have base 10 and maybe if your calculator is good enough natural base e

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Step-by-step explanation:

Hope this helps sorry if I'm wrong

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