c语言基础运算，不能运行

Question

#include<math.h>
#include <stdio.h>
void main(){
float p,r,n;
r=0.07;
n=10;
scanf("%f，%f，%f，&p，&r，&n");
p= float pow (1+r,n);
printf("p=%f",p);
}

Answer 1

scanf("%f,%f,%f",&p,&r,&n);
p = pow(1+r,n);