Which of the Following Is an Exact Number

question 84

Multiple Choice

Which of the following is an exact number?

• A) the number of people in this room
• B) the mass of a penny
• C) the distance a runner runs in a 5 K race
• D) the volume of milk in a gallon
• E) the mass of cereal in a 1 lb box

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Definitions:

Extern

The extern keyword in C and C++ is used to declare a variable or function in another file, indicating that its definition will be found elsewhere.

Source Code

The original code written by a programmer in a high-level programming language before it is compiled into machine code.

Declaration Statement

A statement in programming that specifies the type and possibly the initial value of one or more variables or constants.

Extern

A keyword in C and C++ programming languages used to declare a variable or function in another file.