Complex number
Exercise 1.1
1. (_1)23/2

How to use order of operation in 20 divide by 4 multiply 5 = 1

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?