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Write QUESTION DOWN Provide the scientific notation for 0.00125 grams. Entry Task: Sept 24 th Monday. Sign off on Ch. 2 reading notes In class discuss base units and metrics In class discuss Scientific notation. Agenda:. Convert metric data from one unit to another
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Write QUESTION DOWN Provide the scientific notation for 0.00125 grams Entry Task: Sept 24th Monday
Sign off on Ch. 2 reading notes In class discuss base units and metrics In class discuss Scientific notation Agenda:
Convert metric data from one unit to another Express numbers in scientific notation. I can…
Prefix kilo 1000 hecta 100 deca 10 Base 1 deci 0.1 centi 0.01 milli 0.001
The Metric System Base Units Length meter Mass gram Volume liters
Put in the prefix Prefix + base = measurement kilo- meter 1000 meters centi- liter 0.01 liters deca- gram 10 grams
Conversions kilo hecta deca Base deci centi milli 300. centimeters = hm Move the decimal point toward the prefix you want. 0.03 hm The decimal moved to the left 4 times 0 0 3 0 0
Practice kilo hecta deca Base deci centi milli 250000 25 kilograms to _______________ decigrams Where do we start? Kilo Where do we end? deci How many spots and which direction? 4 to the right
Practice kilo hecta deca Base deci centi milli 0.0043 grams to hectograms 0.000043 hm 38508 meters to kilometers 38.508 km 1.34 milliliters to liters 0.00134 L 975.6 liters to kiloliters 0.9756 kL 0.365 millimeters to meters 365 m 12.30 decagram to decigram 1230 dm
Used to express really big or small numbers Really big- power of 10 is in the positive Really small- power of 10 is in the negative You move the decimal point behind the first NON ZERO number. Scientific Notation
1392000 km Is this a big number or small? Is my power of 10 in the positive or negative? Where does the decimal go? 1.392 x 106 km Practice
Practice Scientific Notation 0.000003457 grams 3.457 x 10-6 grams 48000 meters 4.8 x 104 meters 0.0002563 meters 2.563 x 10-4 meters 0.00000000967meters 9.67 x 10-9 meters 8,900,000,000,000 kilometers 8.9 x 1012 km 120.00 grams 1.2 x 102 g 1342.35 liters 1.34235 x 103 L 0.00123 grams 1.23 x 10-3 g