If i have 100 questions-- can my students scan the question with their phone with a barcode to then see the answer?

What is the largest decimal number that can be represented by a binary number with 4 place values? (remember, each place in a binary number has a value of a power of 2, starting in the ones place with 20.)

Create a pseudocode design to prompt a student for their student id and the titles of the three classes they want to add. the solution should display the student’s id and a total bill. • bill a student using the following rules: o students can only add up to 3 classes at a time.

Who needs to approve a change before it is initiated? (select two.) -change board -client or end user -ceo -personnel manager -project manager