Without expanding the expression, which value equals 9² + 18²?
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✅ Correct answer: B. 405
a. 729 b. 405 c. 324 d. 81
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Tap an option to check your answer.
✅ Correct answer: B. 405
a. 729 b. 405 c. 324 d. 81
10 random questions, instant feedback, earn XP.