Answer:

Step-by-step explanation:
apply the inverse properties of logarithmic and exponential functions to simplify

all logs has base 'e'
Inverse property of log says that
, the value of ln e=1
we apply this property in our problem. ln has same base 'e' . ln and 'e' gets cancelled


21/30 simplifies to 2.1/3 so it's a little bit bigger
Subtraction is. Pemdas. Whichever comes first left to right is what you should do. In this case subtraction comes before addition, therefore subtraction is the right route
Answer:
centigram is 'bigger.'
Well, if you look on the metric scale it is apparent that 1 mg = 0.1 (or 1/10) cg suggesting that a milligram is the smaller value.