When You Sign Up for a Webmail Account, the User

question 41

Multiple Choice

When you sign up for a Webmail account, the user ID you choose must _____.

• A) be unique
• B) have letters and numbers
• C) contain at least one number
• D) not contain exclamation points

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Definitions:

Percent Decrease

A measure of the reduction in amount or size of something expressed as a percentage.

Base Value

A reference point or initial value used in financial calculations, indexes, or for measuring changes in economic indicators.

Missing Value

In data analysis, a data point that is absent or not recorded, which can affect the outcome of statistical models.

Decimal Places

The quantity of numerals located to the right side of the decimal point in a numeric value.