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Activity
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: "N^0"

For Students 9th - 10th Standards
"Why is any number raised to the zero power equal to one?" A good question and an even better answer
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Activity
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Zero Exponents

For Students 9th - 10th Standards
Find a quick, concise explanation of what a zero exponent is. An example is given and clearly explained.