Chapter 1 - Section 1.1 - Algebraic Expressions, Real Numbers, and Interval Notation - Exercise Set - Page 13: 58

Meaning: $-3$ is less than or equal to $-7$. This inequality is FALSE.

Meaning: $-3$ is less than or equal to $-7$. Note that $-3$ is to the right of $-7$ On the number line, so $-3$ is greater than $-7$. Thus, the inequality is FALSE.