Estimate using compatible number estimation. A. 84×49 B. 5527÷82 C. 2315÷59 D. 78X81 E. 207X73 F. 6401/93

Advanced Engineering Mathematics
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Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Estimate using compatible number estimation.

A. 84×49

B. 5527÷82

C. 2315÷59

D. 78X81

E. 207X73

F. 6401/93 

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