Significant Digits
0.4806
4
3500
3.5 x 10^3
unit's value
always 1
first country to standardize
France
assesses error of measurement based on acceptable value
accuracy
350.
3
24800
*Daily double if correct SDs!
2.48 x 10^4
measure to 1/10 of ___ on a scale
smallest decimal subdivision
prefixes based on
power of 10
indirectly measures amount of matter in object based on gravitational pull
weight
0.0090850
5
0.075422
7.5422 x 10^-2
instrument to measure weight
spring scale or electronic scale
interpret/enforce for metric usage
organizations within each country
data given as number; preferred by scientists
(meters, degrees, etc.)
quantitative
4.670 x 10^5
4
5.600 x 10 ^ -4
0.0005600
*Keep trailing zeros to keep SDs same
standard measurement for volume
cubic meter (Liter acceptable for liquids and gases)
unit used to measure quantity of matter
kg
descriptive data
(color, reaction type, etc)
qualitative
87 944 057 300
9
1.9047 X 10 ^8
190 470 000
-person measuring
-object being measured
-conditions of measuring
-instrument used
official name for metric system
Systeme International d'Unites
assesses exactness of measurement based on certain digits and estimated one
precision