|
2 items are filed under this topic.
 |
|
|
|
|
|
|
|
|
4-digit positive numbers |
2010-02-15 |
|
From marjon:
Find the sum of all the 4-digit positive numbers with no zero digit.
Answered by Penny Nom. |
|
|
|
|
|
|
A product of positive and negative numbers |
2008-10-03 |
|
From kaylou:
Suppose you were given 13 numbers and asked to find their product.
Seven of the numbers were positive, and the rest were negative.
Would your product be positive or negative? Why?
Answered by Penny Nom. |
|
|
|
