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Simplifying Expressions with Exponents  Concept
Alissa Fong
Alissa Fong
MA, Stanford University
Teaching in the San Francisco Bay Area
Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts
We can use what we know about exponents rules in order to simplify expressions with exponents. When simplifying expressions with exponents we use the rules for multiplying and dividing exponents, and negative and zero exponents. In Algebra and higher math courses such as Calculus, we will often encounter simplifying expressions with exponents.
Simplifying exponents can be tricky if you don't write out all of your steps. When you come to a big nasty fraction or products where you have positive and negative exponents, numbers and letters or variables, please make sure you remember all of your exponent and properties or else write everything out. There's a few key ones to remember though first thing anything with a zero exponent is equal to 1. It doesn't matter if there's numbers, letters, negative, positive, whatever. Any base to the zero exponent equals 1 and a negative exponent changes the place in the fraction. Like if I have x to the negative 1 over 3 that's going to become 1 over 3x to the positive 1. The x negative exponent got kicked into the bottom.
Or alternatively if I had 3 over x to the negative 1 now that x to the negative 1 piece comes in to the top of the fraction 3x to the 1 like that. Those are the things to keep in mind again please write out all of your work, show lots of steps and that way you'll be able to find your errors if you make them along the way.
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Alissa Fong
M.A. in Secondary Mathematics, Stanford University
B.S., Stanford University
Alissa has a quirky sense of humor and a relatable personality that make it easy for students to pay attention and understand the material. She has all the math tips and tricks students are looking for.
Your tutorials are good and you have a personality as well. I hope you have more advanced college level stuff, because I like the way you teach.”
Thanks alot for such great lectures... I never found learning this easier ever before... keep up the great work.... :)”
You seem so kind, it's awesome. Easier to learn from people who seem to be rooting for ya!' thanks”
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Sample Problems (7)
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Simplifying Expressions with Exponents
Problem 1 8,962 viewsSimplify:
(^{2x⁴} ⁄ _{xyz²})² 
Simplifying Expressions with Exponents
Problem 2 7,470 viewsSimplify:
(^{3} ⁄ _{x})⁻¹(^{2x²} ⁄ _{y³})⁻² 
Simplifying Expressions with Exponents
Problem 3 6,108 viewsSimplify:
(3a⁰b)²b⁴c 3³(ab²)⁻¹c³ 
Simplifying Expressions with Exponents
Problem 4 1,076 views 
Simplifying Expressions with Exponents
Problem 5 510 views 
Simplifying Expressions with Exponents
Problem 6 335 views 
Simplifying Expressions with Exponents
Problem 7 318 views
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