Final answer:
To convert grams to picograms, you use the conversion factor of 10^12. Therefore, 1 gram is equal to 10^12 picograms (Answer is D).
Step-by-step explanation:
To convert a measurement in grams to picograms, you need to know how many picograms are in one gram. One picogram is one trillionth of a gram (1 pg = 10-12 g). Therefore, to convert grams to picograms, the conversion factor is:
1 gram = 1012 picograms
The correct answer is D) 1012
The conversion factor for changing a measurement in grams to picograms is 1 gram = 1012 picograms (option D). This means that to convert grams to picograms, you would multiply the weight in grams by 1012.