High School Math : How to do exponents in pre-algebra

Study concepts, example questions & explanations for High School Math

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Example Questions

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Example Question #41 : High School Math

What is ?

Possible Answers:

Correct answer:

Explanation:

Remember, an exponent just means the number times itself that many times.

That means that  is just another way to write . From here, we can solve.

Example Question #42 : High School Math

What is ?

Possible Answers:

Correct answer:

Explanation:

Remember, an exponent just means the number times itself that many times.

That means that  is the same as . From here we can either plug it into the calculator or solve in pieces.

Example Question #43 : High School Math

What is ?

Possible Answers:

Correct answer:

Explanation:

Remember, an exponent just means the number times itself that many times.

That means that  is the same as . From here, either plug it in your calculator or solve in pieces.

Example Question #41 : High School Math

Find the value of three raised to the fourth power?

Possible Answers:

Correct answer:

Explanation:

"Three raised to the fourth power" tells us that three is to be multiplied by itself four times. 

Example Question #42 : High School Math

What is  ? 

Possible Answers:

Correct answer:

Explanation:

Recall the meaning of exponents: 

Example Question #51 : High School Math

Possible Answers:

Correct answer:

Explanation:

Even though the base of the exponents are the same, you cannot add the exponents. You must perform each exponent separately.

Example Question #52 : High School Math

Possible Answers:

Correct answer:

Explanation:

Since the two bases of the exponents are the same and are being multiplied, it is acceptable to combine the terms and add their exponents resulting in  which equals 128.

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