The half-life of radium-224 is approximately 3.66 days. step 1 of 3 : determine a so that a(t)=a0at describes the amount of radium-224 left after t days, where a0 is the amount at time t=0. round to six decimal places.

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

4. now look at the green lines you created by connecting the three boiling point data points and the three melting point data points. for each of these lines, describe any trends you see. 5. locate the elements on your periodic table that you circled in green on your graph. what term or description would you use to identify these elements with respect to the periodic table? 7. using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers.

Acamcorder has a power rating of 20 watts. if the output voltage from its battery is 9 volts, what current does it use?