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study.com/.../zeroexponentruledefinitionexamples.html
The zero exponent rule states that any term with an exponent of zero is equal to one. This lesson will go into the rule in more detail, explaining how it works and giving some examples.
www.khanacademy.org/math/prealgebra/prealgebraexponents...
Discover a pattern that explains why any nonzero number to the zero power equals one. If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.
www.solvingmathproblems.com/exponentruleszero.html
Exponent Rules . . . using zero exponents in algebra . . . If you like this Site about Solving Math Problems, please let Google know by clicking the +1 button. If you like this Page, please click that +1 button, too.. Note: If a +1 button is dark blue, you have already +1'd it. Thank you for your support! (If you are not logged into your Google account (ex., gMail, Docs), a login window opens ...
en.wikipedia.org/wiki/Zero_to_the_power_of_zero
Zero to the power of zero, denoted by 0 0, is a mathematical expression with no agreedupon value.The most common possibilities are 1 or leaving the expression undefined, with justifications existing for each, depending on context.
www.homeschoolmath.net/teaching/negative_zero_exponents.php
Create free worksheets in PDF or html format for practicing zero and negative exponents. The worksheets can be customized in several ways. Are Negative Exponents Like Other Exponents? Is there a general rule for doing all exponents, or does a negative exponent have nothing in common with positive exponents? n to 0 power
virtualnerd.com/.../zeroexponentdefinition
What Do You Do With a Zero Exponent? What Do You Do With a Zero Exponent? Note: A lot of people get a little uneasy when they see 0, especially when that 0 is the exponent in some expression. After all, there seem to be so many rules about 0, and so many special cases where you're not allowed to do something. ... Working with exponents can be ...
www.reference.com/math/zeroexponent6703549ee0bc27d0
Essentially, an exponent that is zero is equal to a variable to the power of an exponent times a variable to the negative power of the same exponent. For instance, x 2 times x2 is equal to x 2 divided by x2. Any number divided by itself is equal to one. Zero to the power of zero is a special case, however. Some mathematicians say that it ...
www.khanacademy.org/.../prealgebraexponents/v/powersofzero
Zero to any positive exponent equals zero. So, what happens when you have zero to the zero power? If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.
en.wikipedia.org/wiki/Exponentiation
Any nonzero number raised to the 0 power is 1: = One interpretation of such a power is as an empty product. The case of 0 0 is more complicated, and the choice of whether to assign it a value and what value to assign may depend on context. For more details, see Zero to the power of zero. Negative exponents
www.mathsisfun.com/exponent
Exponents. The exponent of a number says how many times to use the number in a multiplication.. In 8 2 the "2" says to use 8 twice in a multiplication, so 8 2 = 8 × 8 = 64. In words: 8 2 could be called "8 to the power 2" or "8 to the second power", or simply "8 squared" . Exponents are also called Powers or Indices. Some more examples:

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