Which equation represents the best estimate of the total number of books in the warehouse? A. 180 × 30 = 5,400
B. 180 × 40 = 7,200
C. 190 × 40 = 7,600
D. 200 × 40 = 8,000
Part B
Use the drop-down box to explain the estimate in Part A.

The best estimate is an
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Please help.

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