OG详解-OG1 数学1 Q1

Choice B is correct. 10% of a quantity means 10100​​times the quantity. Therefore, 10% of 470 can be represented as 10100​​ (470）, which is equivalent to 0.10 ( 470 ), or 47. Therefore, 10% of 470 is 47.
Choice A is incorrect. This is 10% of 370, not 10% of 470. Choice C is incorrect. This is 90% of 470, not 10% of 470. Choice D is incorrect. This is 470-10 , not 10% of 470.