Determine the number of significant figures in the following measurements:   a. 30 040 g   b. 0.663 kg  
c. 20.05 mL  
d. 1500. mg  
e. 0.0008 m

In water, a strong acid will break down into its component parts. a. completely b. partly c. never in water, a weak base will break down into its component parts. a. completely b. partly c. never

What state of matter is ice a. liquid b. element c. solid d. gas

How many grams of ammonia would be produced by the decomposition of 16.93 mlof hydrazine? (the density of hydrazine is 1.021g/ml)