Q. 9

Brazil

$\Rightarrow 4.8 \times 10^7$
$\Delta Vietnam \, and \, Colombia \Rightarrow (1.85 \times 10^7) - (9.2 \times 10^6) \Rightarrow (18.5 \times 10^6) - (9.2 \times 10^6) \Rightarrow 9.3 \times 10^6$
$Mass \, of \, bag \, of \, coffee: 60kg 1 \, bag \Rightarrow 60kg 8.5 \times 10^6 \Rightarrow 8.5 \times 10^6 \times 60 \Rightarrow 510 \times 10^6 \Rightarrow 5.1 \times 10^8$