Provide an appropriate response.Correct and explain the error that a student made when he added 0.23 + 3 + 90.3 this way: 
9 5.6
What will be an ideal response?
The columns were not aligned correctly. The correct answer is 93.53.
Mathematics
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Evaluate the improper integral.
A. 6 B. -36 C. -6 D. 36
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Solve the system by the addition method.
A. {(-1, 2), (1, -2)} B. {(2, 1), (-2, -1)} C. {(2, 1), (2, -1), (-2, 1), (-2, -1)} D. {(1, 2), (-1, 2), (1, -2), (-1, -2)}
Mathematics
Find the rate, or speed, as a ratio of distance to time. Round to the nearest hundredth when necessary.24 km, 4 hr
A. 6 h/km B. 24 km/h C. 24 h/km D. 6 km/h
Mathematics
Simplify. Combine like terms if possible.-4m3 + m3
A. -5m3 B. -4m6 C. -3m6 D. -3m3
Mathematics