There Are Other Ways of Expressing Uncertainty Besides Significant Figures

question 30

Multiple Choice

There are other ways of expressing uncertainty besides significant figures.For example,suppose a quantity is known to have a value between 20.4 and 20.0,and our best estimate of the value is midrange at 20.2.We could write the number as 20.2 +/− 0.2 and say that the number has a 1% uncertainty.We would also say it has 3 significant figures.If we square a number with 1% uncertainty and 3 significant figures,what results?

• A)A number with 1% uncertainty and 3 significant figures.
• B)A number with 2% uncertainty and 3 significant figures.
• C)A number with 2% uncertainty and 2 significant figures.
• D)A number with 1% uncertainty and 2 significant figures.

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Definitions:

Communication Strategy

A planned approach for effectively conveying messages and information to a target audience, achieving specific goals and outcomes.

Underscore And Explore

To highlight and thoroughly investigate or examine specific ideas, topics, or areas of interest.

Grapevine

An informal, unofficial, and personal communication channel or system, especially within an organization.

Non-Verbal Communication

The process of conveying a message without the use of words, through body language, facial expressions, gestures, and tone of voice.