**4. Estimate the square root of each number, to one decimal place. Check it with a calculator.**

a. 72

b.103

c. 55

**10. Kai uses an entire can of paint on a square backdrop for the school play. The label on the can states that one can cover 27 m² of wall surface. Estimate the backdrop's side length, to one decimal place.**

5.1m, find the square root of 27m.

**15. Order the following numbers from least to greatest: 7, square root of 46, 5.8, square root of 27, and 6.3.**

The square root of 46 = 6.7 and the square root of 27 = 5.1.

5.1, 5.8, 6.3, 6.7, 7

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