Unless told otherwise, your homework is the first lab at the end of each section.
Attach your homework to an email to email@example.com . In the subject put "submitting homework software number name" (without the quotes). For "software" put the topic. For "number" put the chapter. For "name" put your name. e.g. Submitting homework Excel 1 first last. You will receive an acknowledgement email. Keep it.
Homework is due before class, 2 classes after we finish the section. 5% penalty per class late. No homework will be accepted more than 4 classes late.