Question

assume that $P is invested at 7% c.c. becomes $100 in a year USE A=Pe^rt
a) Principal
b) A(10)

Answer 1

well, they give you A, r and t

whats the holdup?

Answer 2

well i just fixed it i have to find the A(10) for the second one but for the first equation i have 100/p=e^(.07)

Answer 3

\[A=Pe^{rt}\]
\[\frac{A}{e^{rt}}=P\]

Answer 4

\[P = \frac{100}{e^{.07}}\]

A(10) is when t=10

\[\Large A_{10} = \frac{100}{e^{.07}}e^{10*.07}\]

Answer 5

ok thank you

Answer 6

youre welcome

Answer 7

just for practice :)

\[\Large A_{10} = \frac{100}{e^{.07}}e^{10*.07}\]
\[\Large A_{10} = \frac{100}{e^{.07}}e^{.70}\]
\[\Large A_{10} = \frac{100}{e^{.07}}e^{.07+.63}\]
\[\Large A_{10} = \frac{100}{\cancel{e^{.07}}}\cancel{e^{.07}}e^{.63}\]
\[\Large A_{10} = 100~ e^{.63}\]

Answer 8

oh ok i messed up on step lol thanks