Question

12430000 in expanded form is written how

Answer 1

you need 1.243 and times it by how many times you move the decimal.
1.2430000 x 7 = 12430000
So: 1.243 x 10^7

Answer 2

Expanded Numbers Form:

10,000,000 +2,000,000 +400,000 +30,000 +0 +0 +0 +0