Question

What number represents the same amount as 8 hundreds + 10 tens + 0 ones? i was told 810 is incorrect

Answer 1

`900`

Explanation:

`8 * 100 + 10 * 10 + 0 * 1 \\ 800 + 100 + 0 \\ = 900`

Answer 2

900

Explanation:

You have 10 tens not 1 ten

8 * 100 + 10 * 10 + 0*1

800 + 100 + 0

900