Find the unit vector of -2i - j.

Multiplying an even number of negative numbers gives an answer that is choose from:

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

If i had 1234 apples and 1 banana what is the total amount