Q4)Solvethefollowingquestions: 1)Howmany5-digitnumbersarethereinall? 2)Findthedifferencebetweentheplacevalueandfacevalueof6in78654321. 3)Estimatethesumtothenearestthousand(21397+27807+42505). 4)Estimatetheproductbyroundingofftonearesthundred(678×206). 5)Estimatethequotientof(627÷23).
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Q4)Solvethefollowingquestions: 1)Howmany5-digitnumbersarethereinall? 2)Findthedifferencebetweentheplacevalueandfacevalueof6in78654321. 3)Estimatethesumtothenearestthousand(21397+27807+42505). 4)Estimatetheproductbyroundingofftonearesthundred(678×206). 5)Estimatethequotientof(627÷23
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