What is 10 to the 4th power in expanded form?

10 to the 4th power is 10,000. In expanded form, this is written as 10 x 10 x 10 x 10. Each multiplication by 10 adds another zero to the number, starting with 1. So, 10 to the 1st power is 10, 10 to the 2nd power is 100, and so on.