Scientific Notation
Put 21,000,000 into scientific notation.
2.1 times 107
How many metres are in a kilometre?
1000m
How many significant figures does 0.00956 have?
3
What kind of error is reduced by taking multiple measurements?
Random
What are significant digits?
Round another decimal place after your measurement.
Put 36,890 into scientific notation.
3.7 times 104
Convert 13 km to mm
13 000 000 mm
How many significant figures does 19,000,001 have?
8
If three darts are all less than one cm from a bulls eye, are they precise, accurate or both?
Both
What is precision?
Hitting the same place over and over again.
Put 0.000784 g into scientific notation
7.84 x 10-4
Convert 500 mm to m
0.5m
How many sig. figs. in 340.0550 g?
6
Give a way to reduce parallax error
View measurement devices from the correct angle
What is accuracy?
Actually hitting the target or hypothesis.
Turn 3.55404 x 10-6 g into decimal notation
0.00000355404 g
Convert 33050 km to m, and write it in scientific notation.
3.3050 x 104 m
What is 4.01 times 5 using significant figures?
20 or 2 times 101
Can you reduce systematic error? If so, how?
Yes. Maintain equipment.
What is kinematics?