The answer is one million (the average of the first n odd numbers is always n.)
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The average is 1,000,000.
50.5
To find the average of all seven numbers, we can use the formula for the average: (sum of all numbers) / (total number of numbers). Given that the average of the first four numbers is 15, the sum of the first four numbers is 15 * 4 = 60. Similarly, the sum of the last three numbers is 8 * 3 = 24. Therefore, the sum of all seven numbers is 60 + 24 = 84. Finally, the average of all seven numbers is 84 / 7 = 12.
Oh, isn't that a happy little question! To write 0.25 million in numbers, you simply write 250,000. Remember, every number is special and unique, just like a little tree in your painting waiting to be discovered.
The mean of numbers is the average. To find this, first add all the numbers, then divide by how many numbers you added.