. 5
D 1. What should be done first to simplify: 16.1.
divide
multiply 8.4
multiply 8.5
divide 160
![5 D 1 What should be done first to simplify 161 divide multiply 84 multiply 85 divide 160 class=](https://us-static.z-dn.net/files/d5b/83d5f72a75b86b1dbf69e69b63341b9b.png)