1 mile = 1609.344 meters
1 hour = 3600 seconds 345.48 miles per hour x 1609.344
meters/mile x 1hour/3600seconds = 154.44 meter per second~~ANSWERR
Answer:
Absolute error 
% Error 
5
Explanation:
The absolute error is the the difference in the measured value and the actual value of a quantity.
Here the actual value is 
grams
The measured value is 
grams
Absolute error
Percent error
Where AE stands for absolute error and AV stands for absolute value.
%
Physical properties of a substance include, solubility, boiling point, etc.
The correct matching of the physical properties with definition is as follows;
- Solubility - the ability of a substance to dissolve in another
- Boiling point - the temperature at which a liquid becomes a gas
- Density - the amount of mass in a given volume
- Buoyant force - the upward force on an object in a fluid
- Conductivity - the ability of a substance to transfer heat or electricity
Above, all the physical properties have been properly matched with the corresponding definitions.
Learn more: brainly.com/question/81085
9 is the atomic number of fluorine
