The Mass of Visible Matter in a Galaxy Can Be

question 40

Multiple Choice

The mass of visible matter in a galaxy can be estimated by measuring its luminosity. When this is compared with the measured mass of the galaxy, astronomers find that ____.

• A) the measured mass is about ten times the estimated mass, due to the effects of the central black hole
• B) the measured mass is approximately equal to the estimated mass
• C) there is no clear relationship between the estimated and measured mass
• D) the measured mass is about ten times the estimated mass, due to the effects of dark matter
• E) the estimated mass is about ten times the measured mass, due to the effects of dark matter

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Definitions:

Sales Expenses

Sales expenses are the costs incurred directly or indirectly from selling a product or service, including commissions, advertising, and distribution costs.

Productive Number

A metric or figure that represents the effectiveness or efficiency of a process, often used in the context of business or production analytics.

Nonselling Time

Periods within a salesperson's schedule that are not directly devoted to selling activities, such as administrative tasks or travel.

Sales Call Allocation

The process of planning and distributing sales calls or visits among different territories or customer segments to optimize effectiveness.