Read Sections 1.9 and Appendix A.2 before viewing this slide show. Unit 4 Measurement – Basic Units. The International System of Units (SI) (1.9) Current definitions of the seven base SI units Review of exponential notation (Appendix A.2) Metric prefixes and their interconversion (1.9).
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Read Sections 1.9 and Appendix A.2 before viewing this slide show.
Measurement – Basic Units
63410 m = 6.3410 x 104 m
145.6 s = 1.456 x 102s
0.00389 kg = 3.80 x 10-3 kg
9.87 x 104 L = 98700 L
5.12 x 10-5 cm = 0.0000512 cm
Metric Prefixes (1.9)
Examples of Metric Conversion
42600 m = 42.6 km
(m to km is three decimal places, since going up the table move three decimal places to the left)
0.459 km = 45900 cm
(km to cm is five decimal places, since going down the table move five decimal places to the right)
350 mL = 0.350 L
(mL to L is three decimal places, since going up the table move three decimal places to the left)
4.52 x 1034ds = 4.52 x 1035cs
(ds to cs is one decimal place, since going down the table move to the right making the exponent bigger by one)