billey32
02.09.2020 •
Mathematics
What is the differnence between (-2)^2 and -2^2 in math
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Ответ:
Step-by-step explanation:
The first is (-2)(-2) = 4.
The second is -(2)(2) = -4.
The order of operations says exponents are evaluated first. An exponent signifies repeated multiplication of the base.
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If your calculator is working correctly, it will show you the difference.
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Beware spreadsheet programs. They don't always follow the order of operations when evaluating formulas. Parentheses are often required to keep them honest.
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