SIG FIGS
7.30
3 significant figures
What kind of zero is the following?:
1,000,000
Placeholder
What is the definition of: Matter?
anything that has mass and occupies space
What is a Pure Substance?
Made of one type of atom or a molecule
154 cm to in
(1 in = 2.45 cm)
60.6 in
How many significant figures are in the following number?:
3,000
1
What kind of zero is the following?:
12,550
Placeholder
What is the definition of a mixture?
a combination of two or more pure substances
What is a Physical Change?
Alter the state or appearance of the matter without altering the composition
3.14 kg to g
3.14x103 g
How many significant figures are in the following number?:
8,035.7
5 significant figures
What kind of Zero is the following?:
0.000456
Leading Zeros
What is the definition of Energy
Capacity to do work
What is a Chemical Change?
alter the composition of the matter
(1L = 1.06 qt)
3.7 qt
How many significant figures are in the following number?:
5.69x106
3
What kind of zero is the following?:
8914.600
Trailing Zero
What is the definition of Accuracy?
how close a measurement is to the actual value of the quantity
What is Kinetic Energy?
energy of motion
109 mm to in
(1 in=25.4 mm)
4.29 in
How many significant figures are in the following number?:
9,005,379
7 significant figures
What kind of zero is the following?:
60,068
captive zeros
What is the definition of Heterogenous Mixture?
mixture that does not have uniform composition throughout
What is the law of conservation of energy?
Energy can not be created nor destroyed
27.8L to cm3
1 mL = 1 cm3
2.78 x 104 cm3