Numbers: Real numbers
Approximations of real numbers
The decimal development of the number #49\cdot \pi^2-144# begins as follows:
\[ 49\cdot \pi^2-144= 339.610\cdots\] Is #339.61# the best approximation of #49\cdot \pi^2-144# to two decimal places?
\[ 49\cdot \pi^2-144= 339.610\cdots\] Is #339.61# the best approximation of #49\cdot \pi^2-144# to two decimal places?
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