It depends on the weight of the banana and where you want to send it to.
According to the International Banana Association, an average-sized banana weighs 120 grams. I'm assuming this does not include the peel because the discussion is in the context of nutritional information.
3 stamps!
I suppose you need one or two stamps to send the president. But my guess is just one.
4 stamps
what the price to mail letter to
The number of stamps that you need to send a letter from Australia to London, will depend with the value of one stamp.
3 stamps.
$1.10 worth of stamps, this may change.
It depends where you want to send it from.
one
80
Depends where from, where to and how heavy it is.
One.