Pls help 209572.999129 round to the nearest cent

Find the value of 1715⋅211.though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. give the numerator followed by the denominator, separated by a comma.

Can someone answer this question? : )

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined