15800. because if 1 gram is 10 decigrams than 100 centigrams are 1 gram because it's basically multiplying by ten every time you move down in measurement with a gram. I multiplied this number 15.8 by 1000 because 1 gram is 1000 times higher than a milligram.
The inequality is: x < 90 ( or x is less than 90 ). Answers A and D are represented by: x > 90. Answer B is represented by: x = 90. Therefore this situation is: C ) A kiddie pool holds under 90 L of water.