Two ways to decompose this number is:
749 = 700+40+9; and 749 = 100+649.
Explanation :
One method to decompose a number is to break it up by place value , into hundreds, tens and ones.
In this number, 7 is in the hundreds place; this makes 7(100) = 700 .
4 is in the tens place; 4(10) = 40 .
9 is in the ones place; 9(1) = 9 .
This makes 749 = 700+40+9.
Another method to decompose a number is to break it into pieces that can be added together .
For this number, I chose to start with 100 . This means the second addend would be 749-100 = 649 ; this gives us
749 = 100+649.
We can decompose the number 749 in two ways: first by its place value as 700 + 40 + 9, and second by splitting it into addends like 300 + 449. These methods provide different perspectives on the number's composition. Decomposition helps understand the value of each digit and allows flexibility in number manipulation.
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