Write the number in two other forms. 1. Standard form: 0.398, Word form: o and 3, Expanded form: 2. Standard form: eight and forty-six hundredths, Word form:, Expanded form:

Here are the solutions for the problems:

1.
Standard form: 0.398
Word form: Three hundred ninety-eight thousandths
Expanded form:

$$0.3 + 0.09 + 0.008$$

2.
Standard form: $\boxed{\mathbf{8.46}}$
Word form: eight and forty-six hundredths
Expanded form:

$$8 + 0.4 + 0.06$$