The population of a village decreases at the rate of 20%

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The population of a village decreases at the rate of 20% per annum. If its population 2 years ago was 10,000, the present population is

Here , R = 20% , 2 years ago population = 10,000
We can find the required answer with the help of given formula ,

Present population = 10000		1 -	R		²
			100

Present population = 10000		1 -	20		²
			100

Present population = 10000 ×	4	×	4	= 6400
	5		5