Answer
31.75 petagrams
Work Step by Step
This question asks us to convert 35 billion tons to a variation of grams that used no exponential notation, so we have to use metric prefixes. A straight conversions, since there are 907185 g in a ton, equals 3.17514659e+16 grams. A petagram is equal to 1e15 grams, so converting 3.17514659e+16 grams to petagrams equals 31.75 petagrams.