Note that even though the exponent on the parentheses was a 4 which is an even number, the final answer is negative. However, they are very important to understand and are used often.

When dealing with a negative exponent, we have a rule to follow.

Now that the inside is simplified, the exponent on the parentheses indicates that the expression is equivalent to a 1 multiplied by the parentheses, three times. The last problem, shown below has a negative sign outisde the parentheses.

Negative exponents in the denominator get moved to the numerator and become positive exponents. This is a very common simplification problem.

This time, instead simplifying inside of the parentheses first, we will "distribute" the exponent of the parentheses to the inside of the parentheses. In this case, the fraction does not reduce.

The final step is to simplify each term that has been raised to the 2nd power. Exponents of Variables We will be solving the same problem again: Exponents of Variables Again, the problem we are working is As with the second number example earlier in this lesson, simply multiply the two exponents: These rules are used in almost aspects of exponential expressions such as: Apply the Product Rule.

If the higher power is in the denominator, put the difference in the denominator and vice versa, this will help avoid negative exponents. In short, a negative exponent changes the location numerator or denominator of an expression and changes the sign of the exponent.

There are several other rules that go along with the power rule, such as the product-to-powers rule and the quotient-to-powers rule. Since the exponent on the parentheses is 3, the negative sign is written in front of the term three times. One type of exponent that was not used in the previous list of exponential expressions was a negative exponent.

If the bases of the exponential expressions that are multiplied are the same, then you can combine them into one expression by adding the exponents.

Everything in this problem is multiplied. The coefficients of 2 and 3 do not have any exponents to worry about and we just multiply them as they are. This step shows combining exponents for terms that have the same base.

Any number or variable raised to the zero power is always equal to 1.Pre-algebra is the first step in high school math, forming the building blocks that lead to geometry, trigonometry, and calculus. This course will help you master the basics: from addition.

Exponents of Variables The first example with variables is We will try simplifying it the first way, by simplifying the inside of the parentheses followed by simplifying the exponent on the outside.

Whenever we raised raised a negative base to an exponent, if we raise it to an odd exponent, we are going to get a negative value. And that's because when you multiply negative numbers an even number of times, a negative number times a negative number is a positive.

Polynomial Exponents Lessons.

the exponent outside the parentheses can not just be "distributed in". Instead, a 1 must be multiplied by the entire polynomial the number of times indicated by the exponent. In this problem the exponent is 2, so it is multiplied two times:.

The negative exponent says that whatever is on top should go underneath, and whatever is underneath should go on top.

So I'll just flip the fraction (remembering to change the power from a negative to a positive), and simplify from there. Multiplying Algebraic Expressions. The way you multiply variables with exponents is actually by adding up the exponents and keeping the variable the same.

Distributing Products When Multiplying Paranthesis. There is a special process you need to go through when multiplying a term by an expression in parentheses.

For example, how do you.

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