PLZ HELP
Question 3 and 6

At the end of your presentation, the main points should be a summarized c. handed to your teacher b. written on the board d. restated by the audience select the best answer from the choices provided mark this and retum next submit

What statement is true about all chemical changes? a) chemical changes can be undone. b) chemical changes cannot be reversed. c) chemical changes change the color of objects. eliminate d) chemical changes do not form new products.

What is the power of 10 when 0.00503 is written is scientifically notation