Determine the number of significant figures in 00.6022009

Someone plz me out ill give 30pts match the vocabulary word with the correct definition. 1. obstacles or difficulties that prevent exercise -regular exercise 2. conditioning that strengthens the heart, lungs, and blood vessels -obese 3. conditioning that strengthens specific muscles -flexibility 4. when a person is very heavy or overweight -muscular fitness 5. conditioning that the joints move better -physical fitness 6. a measurement of how healthy a person is in three main areas limitingfactors 7. a plan to exercise every week -cardiovascular fitness