matias y sus amigos estan jugando en la compu cada nivel del juego tiene un color y un codigo fraccionario segun las pistas y descubri en que nivel se encuentran cada uno de los cinco chicos​

Find the area of the unshaded square

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?

What is 0.000008 meters in scientific notation