Explain Yo Significance!!
304,200 m has this many significant figures.
What is 4 significant figures?
This describes the formula for density or how you find density.
What is density = mass/volume?
This is the SI base unit for luminous intensity.
What is the candela?
This type of number is always significant.
What is a nonzero number?
This term refers to how close a series of measurements are to one another.
What is precision?
0.0045 L has this many significant figures.
What is 2 significant figures?
These units measure the density of gases.
What are g/L?
This is the SI base unit for for time.
These two examples from your notes have an infinite number of significant figures.
What are counting numbers and constants?
This is the SI base unit for an amount of something.
What is the mole?
5,000 mL has this many significant figures.
What is 1 significant figure?
These units measure the density of liquids.
What are g/mL?
This is the SI base unit for electric current.
What is the ampere or amp?
This type of zero is always significant.
What is the final zero after a decimal point?
or
What is a zero with a the line over it?
or
What is an ending zero with a decimal point after it.
or
What is a middle zero?
This is how many base units are in 1 hecto.
What is 100 base units?
This is 125.005 g rounded to 2 significant figures.
What is 130 g?
If a substance has a mass of 21 g and a volume of 7 mL, this is it's density.
What is 3 g/mL?
This is the SI base unit for mass.
What is the kilogram?
This type of zero is never significant.
What is a front zero?
This is how many milli are in one base unit.
What is 1000 milli?
This is the answer to this problem rounded to the correct number of significant figures;
7 g x 7 g
What is 50 g^2?
A substance has a density of 5 g/L and a mass of 25 g. This is the substance's volume.
What is 5 L?
This is the SI base unit for temperature.
What is Kelvin?
This is the number of significant figures in the following number: 0.0020100 g
What is 5 significant figures?
This is the number you add to your celsius measurement to obtain Kelvin.
What is 273.15?