Initially,three Are 50 Milligrams of a Radioactive Substance

question 255

Multiple Choice

Initially,three are 50 milligrams of a radioactive substance.The substance decays according to the equation N = 50 ,where N is the number of milligrams present after t hours.The number of hours it takes for 10 milligrams to remain is

• A) -
• B) -
• C) -
• E) 50

---

Definitions:

Multivalued Field

Refers to a database field that can hold more than one value, contrary to the principle of atomicity in database design.

Distinct

Distinct refers to something that is clearly different or unique in comparison to other items, characteristics, or entities.

Make-table Query

A type of database query that creates a new table and populates it with data selected from one or more existing tables.

Append Query

A database query that adds the results of a selection to an existing dataset, rather than creating a new one.