A quantity with an initial value of 2400 grows exponentially at a rate such that the quantity doubles every 2 days. What is the value of the quantity after 144 hours, to the nearest hundredth

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Answer:

The value of the quantity after 144 hours is 19,200.

Step-by-step explanation:

Let the quantity to be found be P(t) where t is the time in hours

Let [tex]P_0[/tex] be the initial amount. Therefore [tex]P_0[/tex] = 2400.

The amount doubles every 2 days. The equivalent of 2 days is 48 hours

So the equation that can model the given data will be given by

P(t)  = [tex]P_0 \times ( 2^{\frac{t}{48} })[/tex]   where t is the time in hours.

We divide the time t by 48 to find out how many time does the quantity actually double.

Therefore the value of the quantity after 144 hours is ,

P(144) = 2400 × [tex]2^{(\frac{144}{48} )}[/tex] = [tex]2400 \times 2^{2}[/tex] = 2400 × 8 = 19200.