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Column A   Column B   The number of integers from 2 to 103, inclusive ... ...

Column A

 

Column B

The number of integers from 2 to 103, inclusive

 

The number of integers from –2 to (–10)3, inclusive

(A) Column A is larger
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Nova Math - Problem Set Z: Counting

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Replies to This Thread: 1 | ----
Column A   Column B   The number of integers from 2 to 103, inclusive ... ... 
Posted: 09/08/2013 10:07
Could you please explain to me why you put (-1000-(-2)) inside |.....| ?????
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Posted: 09/08/2013 21:13
Hi Mohamed,

The number of elements in a set is always a non-negative number (zero or positive).

The expression (–10)^3 – (–2) is negative (-988), so we encased it in absolute value symbols to make it positive.

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