When Adding Several Quantities, the Number of Decimal Places in the Result

question 7

Multiple Choice

When adding several quantities, the number of decimal places in the result must always be

• A) larger than the number of decimal places in the most accurate of the quantities.
• B) equal to the number of decimal places in the most accurate of the quantities.
• C) equal to the average number of significant digits in the most and least accurate of the quantities.
• D) equal to the number of decimal places in the least accurate of the quantities.
• E) smaller than the number of decimal places in the least accurate of the quantities.

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Definitions:

Atkinson and Shiffrin Model

A theory of memory proposed in 1968, suggesting that memory consists of three stores: a sensory register, short-term memory, and long-term memory.

Sensory Memory

A type of storage that holds sensory information for a few seconds or less.

Long-term Memory

A kind of memory that holds information for a long duration, from several days to many years.

Memory

The cognitive process of encoding, storing, and retrieving information, playing a vital role in learning and consciousness.