Certifying Authority. A digital signature is an electronic form of a signature that can be used to authenticate the identity of the sender of a message or the signer of a document, and also ensure that the original content of the message or document that has been sent is unchanged.
Calculate the number of kilocalories from fat. (1 gram of fat = 9 kcal; 1 gram of carbohydrate or protein delivers 4 kcal.) Source(s): calculate number kilocalories fat: https://tr.im/12Lai.
How many fat grams is that? There are 9 calories in a gram of fat, so you divide the number of calories by 9. 1  Divide 400 calories by 9 (calories a gram) to get about 44 grams of fat.  Divide 700 calories by 9 (calories a gram) to get about 78 grams of fat.