Pre-Algebra : Product Rule of Exponents

Study concepts, example questions & explanations for Pre-Algebra

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Example Questions

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Example Question #1 :Product Rule Of Exponents

Simplify:

Possible Answers:

Correct answer:

Explanation:

When multiplying variables with exponents, we must remember theProduct Rule of Exponents:

Step 1:Reorganize the terms so the terms are together:

Step 2:Multiply:

Step 3:使用Product Rule of Exponentsto combineand,and thenand:

Example Question #1 :Product Rule Of Exponents

Simplify the following.

Possible Answers:

Correct answer:

Explanation:

The Product of Powers Property states when we multiply two powers with the same base, we add the exponents.

In this case, the exponents are 2 and 5

Example Question #2 :Product Rule Of Exponents

Simplify the following expression:

Possible Answers:

Correct answer:

Explanation:

The exponent represents how many times the term is being multiplied. So, for example,meansandwould be

So the first term

And the second term

Since the two terms are only separated by parentheses, they are being all multiplied together.

First multiply the coefficients,

We also have a total of 4's and 2's all being multipled together.

The final answer is

Example Question #4 :Product Rule Of Exponents

Simplify the following expression:

Possible Answers:

Correct answer:

Explanation:

The exponent represents how many times the term is being multiplied. So, for example,meansandwould be

So the first term=

And the second term=

Since the two terms are only separated by parentheses, they are being all multiplied together.

First multiply the coefficients,

We also have a total of 8's and 4's all being multipled together.

The final answer is

Example Question #5 :Product Rule Of Exponents

Simplify the following expression:

Possible Answers:

Correct answer:

Explanation:

In the last few problems, we saw one way to multiply terms with exponents.

Another way to explain what we did is to say: "When you MULTIPLY terms together, simplify by ADDING the exponents of each variable."

这是什么looks like in this case:

First multiply the coefficients:

Then ADD the exponents of the variables to simplify. In the first term, the exponent on theis 2. In the second term the exponent is 1. So weADDand have.

Only the second term has the variableand its exponent is 5. There is nothing to add onto that (because there are no's in the first term), so it stays.

Remember, this is all being multiplied together, so the final answer is

Example Question #1 :Product Rule Of Exponents

Simplify the following expression:

Possible Answers:

Correct answer:

Explanation:

Remember the rule:

"When you MULTIPLY terms together, simplify by ADDING the exponents of each variable."

这是什么looks like in this case:

First multiply the coefficients:

ThenADDthe exponents of the variables to simplify. In the first term, the exponent on theis 2. In the second term the exponent is 1. So we ADDand just have.

In the first term, the exponent on theis 3. In the second term the exponent is 6. So weADDand just have.

In the first term, the exponent on theis 2. In the second term the exponent is 2. So weADDand just have.

Remember, all these parts are being multiplied together, so the final answer is

Example Question #1 :Product Rule Of Exponents

Simplify the following expression:

Possible Answers:

Correct answer:

Explanation:

The exponent represents how many times the term is being multiplied. So, for example,meansandwould be

So the first term

And the second term

Since the two terms are only separated by parentheses, they are being all multiplied together.

First multiply the coefficients,

We also have a total of 6's and 1all being multipled together.

The final answer is

Example Question #8 :Product Rule Of Exponents

Simplify the following expression:

Possible Answers:

Correct answer:

Explanation:

The exponent represents how many times the term is being multiplied. So, for example,meansandwould be

So the first term

And the second term

Since the two terms are only separated by parentheses, they are being all multiplied together.

First multiply the coefficients,

We also have a total of's all being multipled together.

The final answer is

Example Question #1 :Product Rule Of Exponents

Simplify:

Possible Answers:

Correct answer:

Explanation:

Example Question #2 :Product Rule Of Exponents

Which of the following is equal to?

Possible Answers:

`

Correct answer:

Explanation:

Remember that when multiplying variables with exponents, the following property holds true:

With this knowledge, we can solve the problem:

The answer is.

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