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7th grade math help pls i've had to redo this question 3 times cause my teacher.
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7th grade math help pls i've had to redo this question 3 times cause my teacher.

7th grade math help pls i've had to redo this question 3 times cause my teacher.-example-1
User Mohammad H
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1 Answer

9 votes

Answer:

neon: 0 percent change oxide: -2 percent change copper: 2 percent change tin: 0 percent change

Explanation:

Neon: -10+10=0

Oxide: -10+8=-2

Copper: -27+29=2

Tin: -50+50=0

Hope this helps

User LightMan
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