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velikii [3]
3 years ago
8

How many significant figures are there in the measurement 0.003kg

Chemistry
1 answer:
salantis [7]3 years ago
6 0

Answer:

-4

Explanation:

In 0.0034 the zeros are preceding numberd and after the decimal point.

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Do you think there could be any disadvantages to wireless charging? If so, what could they be?
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Some volatile organic compounds can be detected by hydrogeologists in the field or labs because of the ______ emitted from the g
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Volatile organic compounds can be detected by hydrogeologists in the field or labs because of the odor of the vapors emitted from the groundwater and/or soil samples.

<h3>What are volatile substances?</h3>

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7 0
2 years ago
The radioactive substance cesium-137 has a half-life of 30 years. The amount At (in grams) of a sample of cesium-137 remaining a
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<u>Explanation:</u>

We are given a function that calculates the amount of sample remaining after 't' years, which is:

A_t(t)=458\times (\frac{1}{2})^{\frac{t}{30}

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Putting values in above equation:

A_t(t)=458\times (\frac{1}{2})^{\frac{20}{30}

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Hence, the amount of sample left after 20 years is 288.522 g

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Putting values in above equation:

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Hence, the amount of sample left after 50 years is 144.26 g

6 0
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