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2 years ago

13

An archaeologist in Turkey discovers a spear head that contains 80% of its original amount of c-14. find the age of the spear to

the nearest year
PLEASE HELP

1 answer:

Lady_Fox [76]2 years ago

6 0

The half life of c-14 is 5730

Therefore 80% is 4584

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Examine the work shown. Explain the error and find the correct result.

Zepler [3.9K]

2(-12) isn't 24.

It is -24.

So the answer would be 6.

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2 years ago

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Would f(-7) if f(x) = 8x + 15 does that equal -804??

nydimaria [60]

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3 years ago

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zvonat [6]

Step-by-step explanation:

(example)

Think of it this way:

If joe caught 1 fish only

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that means that she caught 5 fish in total.

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2 years ago

1)2{18-(5+3^2)÷7] <br>2) 1+(-2-5)^2+-3*4<br>PEMDAS<br>

stira [4]

Answer:

I think these are the right answers. The answer to one is 32. The answer to two is 38.

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2[18-(5+9)/7]

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2[18-2]

2 times 16 = 32

2: I used a calculator for this one.

3 0

2 years ago

<img src="https://tex.z-dn.net/?f=%5Csqrt%5B4%5D%7BW%7D%20%3D%202" id="TexFormula1" title="\sqrt[4]{W} = 2" alt="\sqrt[4]{W} = 2

solmaris [256]

Answer:

<h2>W = 16</h2>

Step-by-step explanation:

<h3> $\sqrt[4]{W} = 2$ </h3>

To find W raise each of the sides of the equation to the power 4 to make W stand alone

That's

<h3> $( { \sqrt[4]{W} })^{4} = {2}^{4}$ </h3>

We have

W = 2⁴

We have the final answer as

<h3>W = 16</h3>

Hope this helps you

6 0

2 years ago