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# What is the greatest possible sum of two 4 digit numbers?

Updated: 10/17/2023

Wiki User

15y ago

Add the two greatest possible four digit numbers. 9999 + 9999

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15y ago

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Q: What is the greatest possible sum of two 4 digit numbers?
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### What is the least possible sum of two 4-digit numbers?

what is the least possible sum of two 4-digit numbers?what is the least possible sum of two 4-digit numbers?

### What is the greatest possible product of a 2 digit and a 1 digit number?

Highest 2-digit number = 99 Highest 1-digit number = 9 Highest possible sum from 2, 2-digit numbers = 198 Highest possible sum from 2, 1-digit numbers = 18

910

19, 998.

### What is the greatest possible sum of two 4-digit numbers?

In base ten it would be 19998. The sum could be much larger assuming different bases. You need to specify the base.

93

### Why does an addition problem that has a 4 digit addends could have a 5digit sum?

What is the sum of greatest 3-digit 4-digit 5digit

### What is the greatest number of digits that the sum of any two four-digit numbers can have?

(9,999) + (9,999) = 19,998 So it looks like the sum of two 4-digit numbers can't have more than 5 digits.

### What is the sum of greatest 3-digit number?

The greatest 3-digit number is 999. 9+9+9 = 27 The sum of the greatest 3-digit number is 27.

Their product.

### What is the difference between the greatest 5 digit number and the greatest 5 digit number with all different digit?

The greatest 5 digit number is 98765. The greatest 5 digit number that doesn't contain any of those digits is 43210. The difference between them is 55555.The two five digit numbers using all ten digits once and only once between them that sum to the largest value are 97531 and 86420. They sum to 183,951 and have a difference of 11111. These two numbers are not unique ... you can switch any pair of digits between the two numbers as long as you keep them in the same position without changing the sum, though this will change the difference.