Answer:
360 whole circle minus the 60 you don't want =300
Step-by-step explanation:
By the binomial theorem,

where

Then the coefficients of the
terms in the expansion are, in order from
to
,





3.174 is closer to 3.2 because, when rounding, 0.07 rounds up to 0.2.
Answer: yes
Step-by-step explanation: it is