Question

Write all four digit numbers that can
be formed with the digits 4 & 5, by using
both digits equal no. of time. Also find their sum.

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Answer 1

Answer:

1.4455

2.4545

3.5544

4.5454

5.5445

6.4554

their sum is equal to.28908

Step-by-step explanation:

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Answer 2

Answer:

4545

5454

4455

5544

5445

4554

Step-by-step explanation:

sum of all

54,474,552