What will be the output of the following C++ code?

#include <iostream> 
#include <limits>
using namespace std;
int main( )
{
    cout << numeric_limits<float> :: digits10 << endl;
    cout << numeric_limits<double> :: digits10 << endl;
    float f = 99999999;
    cout.precision ( 10 );
    cout << f << endl;
}