Convert the average weight of a rhinoceros in Nepal from quintals to kilograms and express it in scientific notation for both kilograms and grams.
a) Average weight in kilograms: 21 quintals convert to 2100 kg because 1 quintal equals 100 kg.
b) Weight in scientific notation: 2100 kg is written as 2.1 × 103 kg.
c) Weight in grams in scientific notation: 2100 kg is equivalent to 2.1 × 106 g.
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