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Transcript 
Value
Mass of the Earth
Speed of Light
Time since the dinosaurs
Unit
kg
m/s
years
Thickness of a sheet of
paper
m
Number of seconds in a day
s
Mass of a hydrogen atom
g
Area of North America
km2
Mass of the Earth
Speed of Light
Time since the dinosaurs
Value
Unit
6 x 1024
kg
m/s
years
Thickness of a sheet of
paper
m
Number of seconds in a day
s
Mass of a hydrogen atom
g
Area of North America
km2
Value
Unit
Mass of the Earth
6 x 1024
kg
Speed of Light
3 x 108
m/s
Time since the dinosaurs
years
Thickness of a sheet of
paper
m
Number of seconds in a day
s
Mass of a hydrogen atom
g
Area of North America
km2
Value
Unit
Mass of the Earth
6 x 1024
kg
Speed of Light
3 x 108
m/s
6.4 x 107
years
Time since the dinosaurs
Thickness of a sheet of
paper
m
Number of seconds in a day
s
Mass of a hydrogen atom
g
Area of North America
km2
Value
Unit
Mass of the Earth
6 x 1024
kg
Speed of Light
3 x 108
m/s
6.4 x 107
years
8 x 10-5
m
Time since the dinosaurs
Thickness of a sheet of
paper
Number of seconds in a day
s
Mass of a hydrogen atom
g
Area of North America
km2
Value
Unit
Mass of the Earth
6 x 1024
kg
Speed of Light
3 x 108
m/s
6.4 x 107
years
8 x 10-5
m
8.6 x 104
s
Time since the dinosaurs
Thickness of a sheet of
paper
Number of seconds in a day
Mass of a hydrogen atom
Area of North America
g
km2
Value
Unit
Mass of the Earth
6 x 1024
kg
Speed of Light
3 x 108
m/s
6.4 x 107
years
8 x 10-5
m
8.6 x 104
s
1.66 x 10-24
g
Time since the dinosaurs
Thickness of a sheet of
paper
Number of seconds in a day
Mass of a hydrogen atom
Area of North America
km2
Value
Unit
Mass of the Earth
6 x 1024
kg
Speed of Light
3 x 108
m/s
6.4 x 107
years
8 x 10-5
m
8.6 x 104
s
1.66 x 10-24
g
2.42 x 107
km2
Time since the dinosaurs
Thickness of a sheet of
paper
Number of seconds in a day
Mass of a hydrogen atom
Area of North America
‘Big’ Numbers
1 x 103
Thousand
1 x 106
Million
1 x 109
Billion
1 x 1012
Trillion
‘Big’ Numbers
1 x 1015
Quadrillion
- The number of grains of
sand on a beach
- Market price of all the
assets in the World
- Number of ants in the
World
‘Big’ Numbers
1 x 1018
Quintillion
- Distance (in miles) to the
furthest object you can
see with the naked eye
‘Big’ Numbers
1 x 1078
Number of atoms in the
Universe
1 x 10100
A Googol
Calculations using standard form
EXAMPLE
(2 x 103) x (4 x 104)
= (2 x 4) x (103 x 104)
= 8 x 107
Calculations using standard form
Try these
1.
2.
3.
4.
5.
6.
7.
(2 x
(3 x
(5 x
(2 x
(3 x
(4 x
(3 x
106) x (2 x 103)
107) x (1 x 102)
102) x (1 x 104)
108) x (4 x 103)
10-1) x (3 x 105)
103) x (2 x 10-5)
102) x (4 x 103)
Harder!
Calculations using standard form
Try these
1.
2.
3.
4.
5.
6.
7.
(2 x
(3 x
(5 x
(2 x
(3 x
(4 x
(3 x
106) x (2 x 103)
107) x (1 x 102)
102) x (1 x 104)
108) x (4 x 103)
10-1) x (3 x 105)
103) x (2 x 10-5)
102) x (4 x 103)
4 x 109
3 x 109
5 x 106
8 x 1011
9 x 104
8 x 10-2
1.2 x 106
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