cpp 3.8

3.8

#include <iostream>
int main()
{
	using namespace std;
	cout.setf(ios_base::fixed, ios_base::floatfield);
	float tub = 10.0 / 3.0;
	double mint = 10.0 / 3.0;
	const float million = 1.0e6;

	cout << "tub = " << tub;
	cout << ", a million tubs = " << million * tub;
	cout << ",\nand ten million tubs = ";
	cout << 10 * million * tub << endl;

	cout << "mint = " << mint << " and a million mints = ";
	cout << million * mint << endl;
	system("pause");
	return 0;
}

3.9

#include <iostream>
int main()
{
	using namespace std;
	float a = 2.34E+22f;
	float b = a + 1.0f;

	cout << "a = " << a << endl;
	cout << "b - a = " << b - a << endl;
	system("pause");
	return 0;
}