PLEASE HELP ME!! . . Not sure how to do thisssss

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Riklund · Answer 1 · 2020-11-16T21:11:00+0000

√72 = √4 * √18 = 2√18. Therefore her answer is incorrect.

√72 = √4 * √9 * √2 = 6√2.

Since √2 is approximately 1.41,

6 * 1.41 = 8.46 = 8.5 (nearest tenth).