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Charra [1.4K]
3 years ago
10

20 POINTS IF YOU CAN ANSWER THIS CORRECTLY, PLEASE!

Chemistry
1 answer:
xeze [42]3 years ago
7 0

Answer: a

Explanation: trust me

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What is the solution to the problem expressed to the correct number of significant figures?
anyanavicka [17]

Answer:

8700

Explanation:

First, do the operations i<em>nside parentheses</em>.

102 900/12 = 8600     2 sfs because of 12

170/1.27 = 130              2 sfs because of trailing 0 in 170

===============

Now, do the addition.

 8600

<u>  + </u><u>13</u><u>0 </u>

8700

The answer has two significant figures because when adding, you must round your answer to the same "place" as the measurement with its last significant figure furthest to the left.  

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We round off to the nearest hundred and get the answer, 8700.

6 0
3 years ago
108/49 In ? 108/48 Cd + ? In the equation above, what particle or type of radiation needs to be included on the right hand side
Oksanka [162]

Answer: b) positron

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The antiparticle or the antimatter counterpart of the electron is called positron.

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Below is an attachnent that further explains this

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What type of bonding around a central atom would result in a trigonal planar<br> molecule?
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