9 times the square root of 10 ^ 4

9 times the square root of 10 ^ 4

There is ambiguity in the understanding of this question
(1) If the original question is the square root of (9 times 10 & # 8308;), the answer is as follows:
±√(9×10⁴)=±√90000=±300;
(2) If the original question is 9 times the square root of (10 & # 8308;), the answer is as follows:
9×(±√10⁴)=9×(±100)=±900.

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