Question

what is 123 + 456? 579 578 589 569

Explanation:

Step1: Add the two numbers

To find the sum of \(123\) and \(456\), we perform the addition operation: \(123 + 456\).
We add the units digits: \(3 + 6 = 9\).
Then the tens digits: \(2 + 5 = 7\).
Then the hundreds digits: \(1 + 4 = 5\).
So, \(123+456 = 579\).

Answer:

A. 579