The daytime temperature in Apple Valley is falling by 2.5 degrees each day. What will the net change in the daily temperature be
2 answers:
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recall that, log <--- with no apparent base, implies base10, so you can just plug that in your calculator
for the change of base rule, it doesn't really matter what base you use, so long is the same above and below, it just so happen, that we used base10 in this case, but could have been anything, same result.