Which of the following cannot be used as identifiers in Java?

With ____________, the customer manages the operating system.

A. DaaS B. IaaS C. PaaS D. SaaS

Calculate the value of 2.5 raised to the power 3 using function pow. Print the result with a precision of 2 in a field width of 10 positions. What prints?

``` cout << fixed << setprecision(2) << setw(10) << pow(2.5, 3) << endl; ```