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A number is squared when it is multiplied by itself. On the calculator, will square whatever is in the display.
Here are some examples of squares:
The variables in the last three examples represent any number or an unknown number. The variables show us the rule that any number squared is the number times itself.
Most of the numbers that you will square are mixed numbers, such as inches and fractions, or feet, inches, and fractions. Fractions and mixed numbers are easier to square if they are first converted to decimals.
Squaring practice: Use the key to find these squares. Round off to 4 decimal places.
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9 September 1995
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