Question 1147952
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Use "^" (shift-6) to denote exponentiation -- "500(2)^(t/2)" instead of "500(2)t/2".<br>
t is the number of hours after 7:00 A.M.  So for 8 am t=1; for 10 am t=3; and for 11 am t=4.<br>
Use a calculator to plug in those values of t and round as directed....<br>