What is the place value of 9 in the number 9,000,009

In our (positional) numerical system, the first digit form the right represents the units, and going leftwards, every digit is worth 10 times more than its previous one.

So, in your number, the 9 to the right means "9 units", because it's the rightmost digit.

On the other hand, the leftmost 9 is worth 9 millions, because you shift 6 positions from the right, and the digits are worth:

part 1 answer = 8

part 2 answer = 72

step-by-step explanation:

part 1 explanation = add all of the numbers, then divide by how many numbers you have. so, 200/25 = 8.

part 2 explanation = not gonna lie, this is hard to explain, so just google how to do it.

{3 + i, 3 - i, 3, -1}

step-by-step explanation: