.44
Nothing at all. There are only two dimensions therefore it is a plane figure and has no mass.
60 cards might weigh about 3.5oz, but you can always take the card to the local post office to weigh card or cards. 1 card could weigh about .058oz. maybe, best to weigh at Post Office though.
Most greeting cards weigh approximately 30 grams. This, of course, can vary depending on the type of card, such as a greeting card that comes with music.
Usually 1 oz. or less.
A birthday card is a greeting card given to someone to celebrate his or her birthday.
An index card typically weighs around 1-2 grams.
1-2 grams '-'
on average, 0.00326 lbs, or 0.05216 oz.
It depends on what type of card and how large it is.
The bird can weigh between 6-10 grams. http://www.oiseaux-birds.com/card-common-tailorbird.html
Whatever price you put in. There is no main price.
A credit card typically weighs around 5 grams. However, the weight can vary slightly depending on the material and design of the card.