9514 1404 393
Answer:
9, 10
Explanation:
It helps if you're familiar with the squares of small integers.
9^2 = 81
(√85)^2 = 85
10^2 = 100
The square root of 85 lies between 9 and 10.
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Of course, you can find this answer using your calculator:
√85 ≈ 9.2195, a number between 9 and 10