Psychological pricing (also price ending, charm pricing) is a pricing/marketing strategy based on the theory that certain prices have a psychological impact. The retail prices are often expressed as "odd prices": a little less than a round number, e.g. $19.99 or £2.98. Consumers tend to perceive "odd prices" as being significantly lower than they actually are, tending to round to the next lowest monetary unit. Thus, prices such as $1.99 are associated with spending $1 rather than $2. The theory that drives this is that lower pricing such as this institutes greater demand than if consumers were perfectly rational. Psychological pricing is one cause of price points.
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To the nearest hundredths place 30.9199 is rounded off to 30.92. To the nearest tenth place 30.9199 is rounded off to 30.9. To the nearest ones 30.9199 is rounded off to 31. To the nearest tens 30.9199 is rounded off to 30. To the nearest hundreds 30.9199 is rounded off to 0.
8.995 rounded off to the nearest integer is 9
4,081 rounded off to the nearest thousandths = 4,081.000
999 of them.
When rounded to the nearest tenth the answer is 4.0