Which Quantity Is an Exact Number

question 42

Multiple Choice

Which quantity is an exact number?

• A)3 cars
• B)1,000 m
• C)2 L
• D)453.6 g

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Definitions:

Experiment

A study in which the researcher manipulates an independent variable and randomly assigns people to groups (levels of the independent variable).

Participants

Individuals who take part in a research study or experiment, often used in the context of surveys, clinical trials, or behavioral experiments.

Learning Principles

Foundational concepts in psychology that describe the ways in which individuals acquire new knowledge, behaviors, skills, values, or preferences.

Reward

Something given in recognition of service, effort, or achievement, serving as a form of motivation or incentive.