2 years ago

What is the square root of four

Mathematics

1 answer:

Elina [12.6K]2 years ago

8 0

Answer:

The square root of 4 is 2

Step-by-step explanation:

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Each pencil weighs 4 grams so the answer is B: 4

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2 years ago

**URGENT<br>033.012 divided by <br>6.3

anastassius [24]

Answer:

5.24

Step-by-step explanation:

33.012/6.3=5.24

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2 years ago

The half-life of a certain radioactive material is 78 hours. An initial amount of the material has a mass of 790 kg.. Write an e

adoni [48]

<span> half life i= 78 hours
amount after 78 hours is 395 kg:
395 = 790e^(k*78)

Dividing by 790 and taking natural log
ln (395/790) = (k*78)
-0.6931 = 78k
-0.00888 = k

lets calculate how much is left after 18 hours:
Amount(18)
= 790e^(-0.00888*18)
Amount = 673.301 kg
hope this helps</span>

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2 years ago

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