The Number of Significant Figures in 0.040 Is

question 47

Multiple Choice

The number of significant figures in 0.040 is

• A)one.
• B)two.
• C)three.
• D)four.

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Definitions:

Scanning Electron

Microscopy technique that uses a focused beam of electrons to scan the surface of a specimen, producing high-resolution images to visualize surface details.

Surface Area

The total area that the surface of an object occupies, which is important in various biological and chemical processes.

Volume Ratio

A comparative measure of the volume proportions of different substances or components within a mixture or object.

Finger-Like Projections

Extensions of tissues or cells resembling fingers, often used to increase surface area for absorption or sensing, like villi in the intestine.