# data[].attributes.body
A)2.79
b) 31 x 10^3

c) 6

d)20

e) 3
F)29 x 10^10

# data[].attributes.body
a)2.79072=2.8
b)31330
c)6.2
d)20.39375=20.4
e)2.8135=3
f)2901.64251=2902

# data[].attributes.body
2.79072 /2.79
31330 / 31000
6.17/ 6
20.39375 /20
2.8135/ 3
2901.64251 /2900

# data[].attributes.body
A)2.79
B)31 x 10^3
C)6
D)20
E)3
F)2.9 x 10^3

# data[].attributes.body
a 2.79
b 31000
c 6
d 20
e 3
f 2900

# data[].attributes.body
a) 2.79
b) 31000
c) 6
d) 20
e) 3
f) 2900

# data[].attributes.body
2500/(3.4*10^25/6.02*10^23)
~=44g/mol

# data[].attributes.body
m=2.5kg-2500g
n=3.4*10^25
m=n*Mr
Mr=nm
Mr=2500/3.4*10^25/6.02*10^23=44g/mol

# data[].attributes.body
M= 2.5 kg = 2500 gram
n= 3.4 x 10^25
mr = 2500 / 3.4x10^25 / 6.02 x 10^23 = 44g/mol