If you're adding them, 405 + 9 = 414
If you're subtracting them, 405 - 9 = 396
If you're multiplying them, 405 x 10 = 4050
If you're dividing them, 400/8 = 50
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9 x 45 = 405 To check your answer, you can take the final answer that you get and divide it by one of the numbers and see if you come out with the other number as an answer. For example, 405/9 = 45 and 405/45 = 9
The Greatest Common Factor of the two numbers is 9. 288/9 = 32, 405/9 = 45.
45 * 9 = 405
yes
The factors of 405 are: 1, 3, 5, 9, 15, 27, 45, 81, 135, 405