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Mathematics
Problem
The mass of a chemical in a reactor changes at a rate
m
′
(
t
)
m'(t)
m
′
(
t
)
measured in kilograms per hour. State the units of the definite integral
∫
0
3
m
′
(
t
)
d
t
\displaystyle \int_{0}^{3} m'(t)\,dt
∫
0
3
m
′
(
t
)
d
t
.
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