How many significant figures does the value 0.080 have? 1 2 3 4

Part a constants huck finn walks at a speed of 0.60 m/s across his raft (that is, he walks perpendicular to the raft's motion what is huck's velocity (speed and direction) relative to the river bank? express your answer to three significant figures and include the appropriate units. relative to the shore)

What is a subatomic particle with a negative charge and very little mass?

If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a.true or b.false