The answer is

.

The subscript for log is 4, which is the base of the exponent. What the log function is equal to is the exponent, which is -2. Finally the number next to the log is the answer and that is
Solve for k
by simplifying both sides of the equation, then isolating the variable.
Exact Form:
k= −45/28
Decimal Form:
k=−1.60714285…
Mixed Number Form:
k= −1 17/28
so its the top one :)
You know that 43 pounds are used each day, and they say 365 days, so what do you do?
You multiply