C++ : find the value of given base to the given power

#include<iostream>
#include<conio.h>
#include<math.h>

using namespace std;

int main()
{
float y,a,b;
cout<<"Enter the base (a) = ";cin>>a;
cout<<"Enter the power (b) = ";cin>>b;
y=pow(a,b);
cout<<"\n"<<a<<" to the power "<<b<<" is "<<y;
getch();
return(0);

}