3. what header files must be included in the following program? int main() { double amount = 89.7; cout <<…

3. what header files must be included in the following program? int main() { double amount = 89.7; cout << showpoint << fixed; cout << setw(8) << amount << endl; return 0; }

3. what header files must be included in the following program? int main() { double amount = 89.7; cout << showpoint << fixed; cout << setw(8) << amount << endl; return 0; }

Answer

Brief Explanations:

The iostream header is needed for cout. The iomanip header is required for showpoint, fixed, and setw manipulators.

Answer:

<iostream> and <iomanip>