How would you write 429.938 in expanded form?

Answer 1

There are three main ways to express it:

1. With exponents: (4 x 102) + (2 x 101) + (9 x 100) + (9/101) + (3/102) + (8/103)
2. Without exponents: (4 x 100) + (2 x 10) + (9 x 1) + (9/10) + (3/100) + (8/1000)
3. In words: Four hundred twenty-nine and nine hundred thirty-eight thousandths