Perform the indicated operations.Estimate by rounding so that there is only one nonzero digit, then find the actual sum.2,347 + 455 + 98 = 

A. Estimate: 2000
Actual: 2910
B. Estimate: 2600
Actual: 2900
C. Estimate: 3600
Actual: 2895
D. Estimate: 2500
Actual: 2802


Answer: B

Mathematics

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Solve the problem.On a map, the length of a nature-center trail is  If the scale is  to  what is the actual length of the trail?

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