G
≃
10
⋅
40
⋅
10
16
10
28
=
4
⋅
10
−
8
d
y
n
c
m
2
g
2
G
≃
10
⋅
40
⋅
10
16
10
28
=
4
⋅
10
−
8
d
y
n
c
m
2
g
2
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