The cost 15

The cost of a machine depreciates every year by 10% of its cost at the beginning of the year. If the present cost of the machine is USD 10000, find its cost after 2 years.

Final Answer:

a2 =  8100 USD

Step-by-step explanation:

r=100%10%=110010=0.9 a0=10000 USD  a1=a0 r=10000 0.9=9000 a2=a1 r=9000 0.9=8100 USD



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arithmeticbasic operations and conceptsUnits of physical quantitiesGrade of the word problem

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