volume_mute
Identifying the Base of an Exponential Expression
publish date: 2026/05/04 20:29:48.672246 UTC
volume_mute
What is the base in the expression \(-7^3\)?
Correct Answer
7
Explanation
Because there are no parentheses around \(-7\), the base is \(7\), not \(-7\). The negative sign is not part of the base unless enclosed in parentheses, e.g. \((-7)^3\).
Reference
Mathematics for college students