A. how many significant figures are in 400,000?
b. how many significant figures in 0.000600?
c. how many significant figures in 21,995,000?
d. how many significant figures in 0.05050?

Compare these two waves : a. the blue wave has a higher pitch, but the orange wave is louder. b.the blue and orange waves have the same volume, but the blue wave has a higher pitch. c.the blue and orange waves have the same pitch, but the blue wave is louder. d.the orange wave has a higher pitch, but the blue wave is louder.

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

Chemical kinetics what was the rate of reaction in trial 3? choose the closest answer.