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3 years ago

Some pls help to give 20 points

Mathematics

1 answer:

madreJ [45]3 years ago

4 0

Answer:

Neon= -10+10= 0 on no change

oxide=-10+8=-2

copper=-27 +29 = 2

tin= -50 +50 = 0 or no change

Step-by-step explanation:

Its basically subtraction ( i pretty sure thats right)

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Answer:

$P(9,3) *P(5,4)$

And if we use the permutation formula given by:

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And replacing we got:

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Step-by-step explanation:

For this problem we want to find the following expressionÑ

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And if we use the permutation formula given by:

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$\frac{9!}{6!} \frac{5!}{4!}= 504*5 = 2520$

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Step-by-step explanation:

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