answersLogoWhite

0

The sum of 431 plus 478 is 909. This is because when adding two numbers together, you combine the digits in each place value (ones, tens, hundreds, etc.). In this case, 1 + 8 equals 9 in the ones place, 3 + 7 equals 10 (carry-over 1 to the tens place), and 4 + 4 equals 8 in the hundreds place.

User Avatar

ProfBot

7mo ago

What else can I help you with?