Which is an example of deductive reasoning?
ali notices that a plant grows 2 inches each week. nikki has a plant, so it must grow 2 inches each week.
* bruce asks his friends what kind of music they like best. they all say rock, so everyone in the world likes rock
music best
all even numbers are divisible by 2. the number 18 is even, so it is divisible by 2.

All even numbers are divisible by 2. The number 18 is even, so it is divisible by 2.

Step-by-step explanation:

Deductive reasoning is finding logical conclusions from the given statements .

In this case we have the statement that all even numbers are divisible by 2, so it is logical to conclude that if 18 is an even number, it must be divisible by 2. This reasoning is logical because the argument specifies that ALL even numbers are divisible by two, so regardless of which even number is chosen it will be divisible by 2.

On the contrary, the other options are examples of inductive reasoning, which is to make generalizations from specific observations.

Step-by-step explanation:

The last proposition shows an actual deductive reasoning.

Remember that deductive reasoning refers to the process of reasoning, where based on a premise or a certain number of them, and we conclude or deduct something.

In this case, we know the premise is "all even numbers are divisible by 2". Now, 18 is even, so based on the premise, 18 is divisible by 2, because it's a given number.

Therefore, a valid deductive reasoning is shown in the last proposition.

astronomers is your final answer! : )

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step-by-step explanation: