8道单选题，每到单选题的结果可以为（ABCD --4个值其中一个），求多少种结果？？ php 把结果输出？？
$n = pow(4,8)
Just use the power function. Each question has four situations. There are eight questions in total, which is 8 to the 4th power
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Just use the power function. Each question has four situations. There are eight questions in total, which is 8 to the 4th power