a pine tree was planted 3 years ago the rate of growth is 10% If the present height of the tree is 1331 cm what is the height 3 years ago
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Answer:
970.299 cm
Step-by-step explanation:
in these cases, we use the formula A= P(1-r/100)^t
A=1331(1-10/100)^3
A=1331(90/100)^3
A=1331*.9*.9*.9
on solving this we get
A=1331*0.729
A=970.299 cm
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