Identity Elements Math Example 3
Follow the full solution, then compare it with the other examples linked below.
Example 3
easyWhat is \(387 + 0\)? What property does this demonstrate?
Solution
- 1 \(387 + 0 = 387\).
- 2 This shows the additive identity: \(a + 0 = a\).
Answer
387
Adding zero never changes a number. Zero is the additive identity element.
About Identity Elements
Special numbers that leave any other number unchanged under a given operation: 0 for addition, 1 for multiplication.
Learn more about Identity Elements →More Identity Elements Examples
Example 1 easy
Show that adding 0 to any number doesn't change it. Verify with (14 + 0) and (0 + 14).
Example 2 mediumShow that multiplying any number by 1 doesn't change it. Use (23 times 1) and (1 times 23). Also sho
Example 4 mediumFill in the blank and name the property: (456 times square = 456) and (456 times square = 0).