10.71% is 9% of 84.
So 10.71% is the answer.
Seventy four out of two hundred and 6 is thirty seven out of a hundred and three = 37/103
Since, you're moving up in exponents, you will move right the number of decimal spaces equivalent to the power of the exponent. Hence, move the decimal point five spaces to the right. There, you now have your answer. :)
1 centigram= 10 milligram
if you convert 25cg to mg, you'll get 250mg (25×10)
so 25 mg is lighter than 25cg(250mg)
so your answer is 25mg is lighter than 25cg.