What Number Is the Base in the Expression $( - 9 ) ^ { 2 }$

question 60

Short Answer

What number is the base in the expression $( - 9 ) ^ { 2 }$ ?

Understand the concept of correlation, including positive and negative correlations, and their implications.

Grasp the importance of representative samples in research and how they are constituted.

Understand the concept and function of control groups, random assignment, and placebo effects in experimental research.

Recognize the significance and mechanisms of the double-blind technique to mitigate bias in experiments.

---

Definitions:

Alphabet

A series of symbols representing the sounds of a language arranged in a traditional order.

Gestural Language

A form of nonverbal communication using gestures, facial expressions, and body movements to convey messages or emotions.

Ethnolinguistics

The study of the relationship between language and culture and how they influence and shape each other.

Historical Linguistics

The study of how languages change over time, including their development, evolution, and the relationships between different languages.