1.

\begin{array} { l } { \text { Find the difference between the } } \\ { \text { greatest number of four-digits and } } \\ { \text { the least number of five-digits. } } \\ { \text { (a) } 99991 } & { \text { (b) } 8999 } \\ { \text { (c) } 11 } & { \text { (d) } 1 } \end{array}

Answer»

10000-9999=11is the answer

d. 1 is the answer 9999 is the grratest of 4 digits and 10000 is the least number of five digitstherefore 10000-9999 is 1



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