What is the net value of pressing '–' 7 times and '+' 3 times?

–4

Video Explanation

Watch Video Solution

Keep Practising

Students who asked this also explored

Continue with nearby questions to strengthen the same chapter concept while you still have the context fresh in mind.

Q1.

What is the floor number above the ground floor labeled in Bela's Building of Fun?

Q2.

If you want to go from the ground floor to the Video Games shop, which button do you press?

Q3.

If you start at Floor +2 and go down to Floor 0, how many button presses do you make?

Q4.

How can you express pressing the lift button three times up?