# Chapter 1 - Foundations for Algebra - Chapter Review - 1-3 Real Numbers and the Number Line - Page 70: 37

$7$

#### Work Step by Step

We use method two from the textbook to estimate the square root: Using the square root function of a calculator, we find that $\sqrt {48}\approx6.93$ Since $6.93$ is closer to $7$ than to $6$, we estimate the square root to be $7$.

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