13. You have 180 g of radium that takes up 36 cm of space. If you were to cut the radium in half so you have only 90 g of radium, how much space would i take up and what would be its now density?

14,16 18 reacts with group

what is the average time it took the car to travel 0.25 meters?

⇒ 2.23 seconds

what is the average time it took the car to travel 0.50 meters?

⇒ 3.13 seconds

answerleaving cheese out to get moldy;