sara1234
im stuck on this problem



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sara1234
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i need steps

sara1234
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what i did a=68000e^(0.035*8)
68000e^(0.28)
now what?

CalebBeavers
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Have you seen
y=a(1+b)^x
where a=original amount
b=growth rate(as decimal)
x=time
and y=amount at given time

sara1234
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no i havent i ssen A=pe^rt

geerky42
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What about \(\large A = P\left(1+\dfrac{r}{n}\right)^{nt}\)?

sara1234
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yeah i seen it but i have to use the one i told you about can you help me?

sara1234
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i have a graphing caculator i just dont know what to do next and with e

geerky42
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Ok, you are doing it right.
What kind of graphing calculator do you use?

sara1234
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TI84 PLUS SILVER EDITION

geerky42
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Well, it's not that hard to calculate use this calculator!
For e^(...), press 2ND (blue button) then press LN.
Does it help?

sara1234
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okay i got 89972.82724 when i multiplied that by 68000 i got a strange answer

geerky42
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Well, you can round it up to 89,973 since the question wants approximate number of attendance.

sara1234
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68000(89972.82724)=6118152252 which is not in the answer chocies

sara1234
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that doesnt change answer ?

geerky42
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No, A = 89972.82724 since you have already multiplied e^(...) by 68000.
You got about 6118152252 because you did it twice.

sara1234
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i dont understand whats the next steps after this
a=68000e^(0.035*8)
68000e^(0.28)

sara1234
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we found e what do we do with it?

geerky42
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Multiply it with 68000.

geerky42
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Exactly what don't you understand? Do you know what e is, right?

geerky42
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Just calculate 68000 * e^(0.035 * 8)

geerky42
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You got it?

sara1234
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ok so it 89973

geerky42
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Yes!

sara1234
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A=Pe^rt
=26600e^(0.29)
i put it in the calculator and got error

geerky42
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That's strange, I put it in the calculator and I didn't get error...

sara1234
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what did you get i got error i dont understand

sara1234
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@jim_thompson5910