Respuesta :

hiimanshu21
the population's annually growing rate is = 1.2%

and in 1 decade the no. of years is 10 .

so ,

in 10 years the population will grow u
= 10×1.2% = 12%

hence the rate of growth per decade is 12% of the population .

hope it helps !
#Himanshu jha

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