Final answer:
To translate the phrase 'a number squared decreased by ten' into an algebraic expression, represent 'a number' as n, 'squared' as n^2, and 'decreased by ten' as -10, resulting in the expression n^2 - 10.
Explanation:
To translate the phrase 'a number squared decreased by ten' into an algebraic expression, we first represent 'a number' as n. Then, 'squared' is n2 and 'decreased by ten' is -10. Combining these, the algebraic expression is n2 - 10.
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