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IgorLugansk [536]
3 years ago
10

I need help by help i mean im lazy.

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
6 0

Hey there! I am guessing these are separate equations so lets start with our first ...

(2.1 x 103) x (3.5 x 102) = 77219.1  

7.35 x 105 = 771.75

3.6 x 101 = 363.6

6.9 x 103 = 710.7

2.83 x 102 =288.66

A suggestion is to use * as multiplication otherwise some people may get mixed up thinking you are using a variable "x"


I hope this helped :)

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Missing Part of Question

Explain which rules of inference are used in the above

Answer:

Universal instantiation, Modus ponens and Existential generalization

Step-by-step explanation:

Splitting the Statement into two, we have

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and

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and

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In logic, A premise is a statement in an argument that provides reason or support for the conclusion.

So, Statement 1 can be written as

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The modus ponens of the above gives

4. Q(Doug)

The existential generalisation from above gives

5. ƎxQ(x)

Which means someone in this class can get a high paying job.

PS:

Universal Instantiation is a valid rule of inference from a truth about each member of a class of individuals to the truth about a particular individual of that class; it is represented by VxP(x).

Existential Generalisation is a valid rule of inference that allows one to move from a specific statement, or one instance, to a quantified generalized statement, or existential proposition.

It is represented as ƎxP(x)

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