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9. Dan built a square patio with an area of 80 square feet. Estimate the length of each side of the patio to the nearest tenth.​

User Yavor S
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1 Answer

4 votes

Answer:

8.9

Explanation:

64<80<81

√64<√80<√81

8<√80<9

Now evaluate (8.8)² = 77 and 11/25

hence the next decimal place must be greater than eight. Hence 8.9 is an estimate to the nearest tenth.

User Desty
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