Use estimation to determine which calculation is incorrect.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Estimate the sum or difference by rounding each number to the nearest hundred.5,804 + 7,824 + 3,638
A. 16,000 B. 17,300 C. 17,200 D. 18,000
Mathematics
Solve the problem.The perimeter of a rectangular room is 42 ft. The width is 7 ft. Find the length.
A. 15 ft B. 13 ft C. 14 ft D. 35 ft
Mathematics
Translate to a proportion. Do not solve.9.6 is what percent of 17.3?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Insert <, >, or = to make the statement true.42 
-42
A. < B. > C. =
Mathematics