The answer is the second option, or Ray BE is a bisector of angle ABE.
The question can be solved as follows:

Hence the value of the given expression in scientific notation is expressed as:
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2.86-2.81=0.05
(0.05/3.86)x100=1.75%
<span>The function which has a constant halving time is in the following form
</span>

Where: A₀ is the <span>initial amount
h is the half life time or the halving time.
</span><span> t is the time
</span> A(t) <span>the amount<span> that remains at time t
</span></span>
The previous function represents an Exponential decay<span> function.
</span>
so, The correct answer is option B. <span>
Exponential decay</span>