Please help me with it.

Answer: 9)230 kg yes they cab fly
A) 6
b)0.076
c)5000
d)14000
e)9.76
f)0.0003988
g)0.2
h) 0.186
i)0.06031
j)3647520
Explanation: Please bear in mind that these answers may vary from one school curriculum to another.