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### sig. figs, scientific notation,metric system

sig. figs. numbers that have been measured and have meaning. Only siginficant because they have be measured
rule 1 all nonzero numbers are significant(12345-five sig. figs.)
rule 2 zero in beween sig. figs are significant 2-000-3
rule 3 leading zeros after a decimal are NOT significant (only place holders)
rule 4 zeros that follow a decimal are all significant
rule 4-A sometimes trailing zeros are not significant (place holders)
Math rule #1- multiplication and division- an answer can only be as significant as the LEAST significant number in the problem
Math rule #2- addition and subtraction- you can only be significant to the LEAST number of decimal points in your problem
large numbers 1 list all sig. figs
large numbers 2 place a decimal between the first and second numbers
large numbers 3 count the number of places from the decimal point to the right
large numbers 4 multipy the sig figs by 10 raised to the number of places
small numbers 1 determine the amount of sig.figs.
small numbers 2 place a decimal between the first and second digits
small numbers 3 count the number of places to the left of the decimal
small numbers 4 raise the sig.fig. to ten raised to the number of places
small numbers 5 negate the exponent
KHDMDCM kilo-hecto-deca-Liter, meter, gram-deci-centi-milli
Created by: Sejsarah