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The Curious Range of √x²
Imagine you are given this function: y = √x^2. This function takes the square root of the square of a number, which sounds a lot like the square root and the exponent of 2 cancel…
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Why are percentages reversible?
In school, you’ve probably learned how to find 10% of 25 or 50% of 4 or something along those lines. While you may be able to do 50% of 4 in your head, as 50% means half and…
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Explaining Bases and Exploding Dots
Have you ever wonder why our numbers have a ones place, a tens place, a hundreds place, etc.? The numbers we are used to are on a system called base ten. This means…