Sand pours onto a pile, at rate $S$ in kilograms per second, with $t$ in seconds, as the table shows. Use a LEFT Riemann sum with the table's three subintervals to approximate the total, in kilograms.

The figure shows the graph of a RATE $r$ against time. Use a LEFT Riemann sum with $2$ equal subintervals to approximate the total accumulated over $\left[0,2\right]$.

As sand pours onto a pile, the rate $S$ in kilograms per second gives a left Riemann sum of $67$ over $\left[0,10\right]$. What does that number estimate?

A colony grows, at rate $B$ in bacteria per hour, with $t$ in hours, as the table shows. Use a RIGHT Riemann sum with the table's three subintervals to approximate the total, in bacteria.

Sand pours onto a pile, at rate $S$ in kilograms per second, with $t$ in seconds, as the table shows. Use a MIDPOINT approximation on the ONE subinterval $\left[0,6\right]$, with height $S(3)$.

As sand pours onto a pile, the rate $S$ in kilograms per second gives a left Riemann sum of $76$ over $\left[0,11\right]$. What does that number estimate?

Water flows into a tank, at rate $R$ in gallons per minute, with $t$ in minutes, as the table shows. Use a LEFT Riemann sum with the table's three subintervals to approximate the total, in gallons.

The figure shows the graph of a RATE $r$ against time. Use a LEFT Riemann sum with $2$ equal subintervals to approximate the total accumulated over $\left[0,2\right]$.

A machine consumes power, at rate $P$ in kilowatts, with $t$ in hours, as the table shows. Estimate the total energy used, in kilowatt-hours, from t = 0 to t = 8. Use a MIDPOINT approximation on the ONE subinterval $\left[0,8\right]$.

As a colony grows, the rate $B$ in bacteria per hour gives a left Riemann sum of $67$ over $\left[0,12\right]$. What does that number estimate?

Water flows into a tank, at rate $R$ in gallons per minute, with $t$ in minutes, as the table shows. Use a LEFT Riemann sum with the table's three subintervals to approximate the total, in gallons.

Traffic passes a sensor, at rate $N$ in cars per minute, with $t$ in minutes, as the table shows. Use a RIGHT Riemann sum with the table's three subintervals to approximate the total, in cars.

A colony grows, at rate $B$ in bacteria per hour, with $t$ in hours, as the table shows. Use a LEFT Riemann sum with the table's three subintervals to approximate the total, in bacteria.

As sand pours onto a pile, the rate $S$ in kilograms per second gives a left Riemann sum of $82$ over $\left[0,9\right]$. What does that number estimate?

Water flows into a tank, at rate $R$ in gallons per minute, with $t$ in minutes, as the table shows. Use a LEFT Riemann sum with the table's three subintervals to approximate the total, in gallons.

A machine consumes power, at rate $P$ in kilowatts, with $t$ in hours, as the table shows. Use a LEFT Riemann sum with the table's three subintervals to approximate the total, in kilowatt-hours.

Traffic passes a sensor, at rate $N$ in cars per minute, with $t$ in minutes, as the table shows. Use a RIGHT Riemann sum with the table's three subintervals to approximate the total, in cars.

Water flows into a tank, at rate $R$ in gallons per minute, with $t$ in minutes, as the table shows. Estimate the total water, in gallons, that flows in from t = 0 to t = 8. Use a MIDPOINT approximation on the ONE subinterval $\left[0,8\right]$.

A colony grows, at rate $B$ in bacteria per hour, with $t$ in hours, as the table shows. Estimate the total number of bacteria added from t = 0 to t = 8. Use a MIDPOINT approximation on the ONE subinterval $\left[0,8\right]$.

A colony grows, at rate $B$ in bacteria per hour, with $t$ in hours, as the table shows. Use a RIGHT Riemann sum with the table's three subintervals to approximate the total, in bacteria.

A machine consumes power, at rate $P$ in kilowatts, with $t$ in hours, as the table shows. Use a LEFT Riemann sum with the table's three subintervals to approximate the total, in kilowatt-hours.

The figure shows the graph of a RATE $r$ against time. Use a LEFT Riemann sum with $2$ equal subintervals to approximate the total accumulated over $\left[0,2\right]$.

A colony grows, at rate $B$ in bacteria per hour, with $t$ in hours, as the table shows. Use a RIGHT Riemann sum with the table's three subintervals to approximate the total, in bacteria.

A colony grows, at rate $B$ in bacteria per hour, with $t$ in hours, as the table shows. Use a RIGHT Riemann sum with the table's three subintervals to approximate the total, in bacteria.