Suppose that a volcano is erupting and readings of the
Chapter 4, Problem 4.3.60(choose chapter or problem)
Suppose that a volcano is erupting and readings of the rate at which solid materials are spewed into the atmosphere are given in the table. The time is measured in seconds and the units for are tonnes (metric tons) per second. (a) Give upper and lower estimates for the total quantity of erupted materials after 6 seconds. (b) Use the Midpoint Rule to estimate .
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