How Many Significant Digits Should Be Reported in the Answer

question 74

Multiple Choice

How many significant digits should be reported in the answer to the following calculation? (4.3 - 3.7) × 12.3 =

• A)1
• B)2
• C)3
• D)4
• E)none of the above

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Definitions:

Primacy Effect

The inclination to recall data from the start of a list more accurately than the details following it.

Recency Effect

A memory phenomenon that involves the ability to recall the last items in a series better than those in the middle.

Summary

A brief statement or account of the main points of something.

Mnemonist

An individual with the ability to remember vast amounts of information, sometimes with the help of advanced mnemonic techniques.