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ashtonsilvers2003
04.10.2021 •
Mathematics
If (a - b)² = 296, and ab = -51, find the value of a² + b²
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Ответ:
Suzi did ---> 72.1
Step-by-step explanation:
Yes they do have 10^2 power on your calculator.
Look for the ^ key or Exp or y^x or x^y. Most scientific calculators have one of those.
Suzi did it correctly. 0.721 * 100 is a decimal move two places to the right. That would bring the decimal between the 2 and the 1.
hope this helps~