Numbers may be entered in several formats - including scientific notation and numerical expressions. webassign uses standard scientific or "e" notation for "times 10 raised to the power." for example, 1e3 is the scientific notation for 1000.you cannot have a space in a number. you cannot substitute the letter o for zero or the letter l for 1.you cannot include the units in the number unless specifically asked for. you can include the sign + or - of the number. which of the entries below will be interpreted as numbers? (select all that apply.) 1.56e-9 3.25e4 2.54 m 1.56 e-9 1.9435 -4.99 1.23 inches

Astudent is performing an experiment comparing sound and light waves. the student gathers the following data. what conclusion does the student most likely make based on this data? light waves always travel the same speed; however, the speed of sound is determined by the medium that it travels through. all sound waves always have the same energy, so the temperature of the medium does not affect wave speed. light needs to vibrate particles, so it travels fastest in tightly packed solids, while sound does not need a medium, so it travels fastest in a gas. tightly packed particles in solids slow down the light waves; however, sound waves make particles bounce into each other, so they travel faster in solids.

J. j. thomson’s experiment disproved the theory that an atom

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