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Exponents Simplifying expressions Order of operationsHere you will learn about multiplying exponents, including how to apply the properties of exponents when multiplying exponents with the same base and with different bases.
Students will first learn about multiplying exponents as a part of expressions and equations in katex is not definedth grade math and will expand on that knowledge into high school.
Multiplying exponents is where you multiply terms that involve exponents, indices or powers. You can multiply exponents in various forms, including whole numbers, negative numbers, fractions, and decimals. There are two methods to multiply terms involving exponents,
Use this worksheet to check your 8th grade students’ understanding of multiplying exponents. 15 questions with answers to identify areas of strength and support!
DOWNLOAD FREEUse this worksheet to check your 8th grade students’ understanding of multiplying exponents. 15 questions with answers to identify areas of strength and support!
DOWNLOAD FREEIn order to multiply exponents when the bases are the same, you can use one of the laws of exponents.
katex is not defined
For example,
To simplify the following expression,
katex is not defined
Write out each power in its expanded form.
katex is not defined
Is there a quicker way to work this out?
Simplifying
katex is not defined to katex is not defined
work out the simplified answer as,
katex is not defined
katex is not defined
The base has stayed the same and you have added the exponents together.
This is the multiplication law of exponents.
katex is not defined
For example,
To evaluate the following expression:
katex is not defined
Write each term of the calculation without using exponential notation. The exponent will tell you the number of times to represent the term.
katex is not defined
katex is not defined
Work out the final answer by multiplying these numbers together.
katex is not defined
How does this relate to katex is not definedth grade math?
In order to multiply exponents with different bases:
Simplify and leave your answer in exponential form.
katex is not defined
katex is not defined
2Multiply any coefficients.
The coefficients are both katex is not defined
The answer is katex is not defined
Simplify and leave your answer in index form.
katex is not defined
Add the exponents.
Add together the exponents katex is not defined and katex is not defined
katex is not defined
Multiply any coefficients.
Multiply katex is not defined and katex is not defined together.
katex is not defined
The answer is katex is not defined
Simplify and leave your answer in index form.
katex is not defined
Add the exponents.
Add together the exponents katex is not defined and katex is not defined
katex is not defined
Multiply any coefficients.
Multiply the katex is not defined and katex is not defined together.
katex is not defined
katex is not defined
In order to multiply exponents with different bases:
Evaluate:
katex is not defined
Write out each term without the exponents.
katex is not defined
Work out the calculation.
katex is not defined
So,
katex is not defined
Evaluate:
katex is not defined
Write out each term without the exponents.
When multiplying with a negative exponent, like katex is not defined you will find the reciprocal of the term.
katex is not defined
Work out the calculation.
katex is not defined
So,
katex is not defined
Evaluate:
katex is not defined
Write out each term without the exponents.
katex is not defined
Work out the calculation.
katex is not defined
So,
katex is not defined
1. Simplify and leave your answer in index form.
katex is not defined
The product of the coefficients is katex is not defined
The base numbers are the same, so add the exponents.
katex is not defined
The answer is katex is not defined
2. Simplify and leave your answer in index form.
katex is not defined
The product of the coefficients is katex is not defined
Because the same base number is the same, add the exponents.
katex is not defined
The answer is katex is not defined
3. Simplify and leave your answer in index form.
katex is not defined
The product of the coefficients is katex is not defined
Because the base is the same number, add the index numbers.
katex is not defined
The correct answer is katex is not defined
4. Evaluate
katex is not defined
As the base numbers are different, evaluate each term and then multiply,
katex is not defined
5. Evaluate
katex is not defined
As the base numbers are different, evaluate each term and then multiply,
katex is not defined
6. Evaluate
katex is not defined
As the base numbers are different, evaluate each term and then multiply,
katex is not defined
An exponent is a small number that is written above and to the right of a number, known as the base number. This indicates how many times a number is multiplied by itself (repeated multiplication). For example, katex is not defined read as katex is not defined to the third power, katex is not defined is the base number and katex is not defined is the exponent.
Yes, you can still apply the rules of exponents when dealing with exponential expressions that involve decimal or fractional exponents. For example, katex is not defined You would find a common denominator, if needed, and then add the numerators similarly to adding fractions.
To find a power of a power, you will multiply powers, or multiply the exponents. For example, katex is not defined
When dividing exponents with the same base, subtract the powers to calculate the quotient. For example, katex is not defined
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