How do you write 621973 in expanded form?

Answer 1

There is more than one way to do this, but it helps to understand what the question is asking. It is asking you to explain what the number means; what each digit in the number is actually representing.

For example, the 6 here does not represent the value of 6 it represents the value of 600,000 (because of its position in the number). Each digit is a multiple of a power of 10. Here the 6 is a multiple of 10 to the power of 5, or 6 * 100,000 = 600,000.

So you can answer this question as:

600,000 + 20,000 + 1,000 + 900 + 70 + 3

or

(6 * 100,000) + (2 * 10,000) + (1 * 1,000) + (9 * 100) + (7 * 10) + (3 * 1)

or you can write it as multiples of powers of 10 as:

(6 * 105) + (2 * 104) + (1 * 103) + (9 * 102) + (7 * 101) + (3 * 100)

Answer 2

600,000+20,000+900+70+3