c++ quiz 3

Arithmetic operators that share the same precedence have right to left associativity.

false, left to right

What is the value of number after the following statements execute? int number = 10; number += 5; number -= 2; number *= 3;

reads as 10 +5 equals 15, -2 equals 13, 13 tiimes 3 equals 39

This manipulator is used to establish a field width for the value immediately following it.

setw( )

These can be used to override the rules of operator precedence in a mathematical expression..

( ) parentheses

When this operator is used with string operands it concatenates them, or joins them together.

+

What is the value of average after the following code executes? double average; average = 1.0 + 2.0 + 3.0 / 3.0;

4.0

In the following C++ statement, what will be executed first according to the order of precedence? result = 6 - 3 * 2 + 7 - 10 / 2 ;

3*2

The ______ operator always follows the cin object, and the ______ operator follows the cout object.

>>, <<

The _________ causes a program to wait until information is typed at the keyboard and the Enter key is pressed.

cin

Which statement is equivalent to the following? x = 2 * x; x * 2; x *= 2; x = x * x; x * x = x;

x *= 2;