Hannah has a rectangular prism with a length of 7 cm, a width of 2 cm,
2 answers:
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Answer:
k ≈ - 0.069
Step-by-step explanation:
Given
A = 800
Substitute A = 400 and t = 10 into the equation
400 = 800 ( divide both sides by 800 )
0.5 = ( take the ln of both sides )
ln = ln0.5
10k lne = ln0.5 [ lne = 1 ]
10k = ln 0.5 ( divide both sides by 10 )
k = ≈ 0.069 ( to the nearest thousandth )