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The following table shows the rate,bm,opvqb-sq2m d 7; sx4fo8w 6ne kgy0r5bs9:R , at which rubbish is produced by a town, in tonnes per day. t represents the time in da: b5k r9sgyen0ys since the rate of rubbish production was first recorded.
The total amount of rubbish produced by the town over the 3-day period is equal to the area underneath the graph of the curve R(t) .
1. Use the trapezoidal rule with 6 intervals to estimate the total amount of rubbish produced by the town over the 3-day period；The total amount of rubbish produced is approximately tonnes (round number please)
The actual amount of rubbish produced over the 3 days was 191 tonnes.
2. Find the percentage error between the estimate in part (a) and the actual amount of rubbish produced;The percentage error between the estimate in part (a) and the exact value can be found using the percentage error formula is close to % (tow decimal please)
