Explanation:
Let's use the number Zero as a placeholder.
7 in the hundredths place,
0.07
5 in the thousands place,
5000.07
4 in the hundreds place,
5400.07
7a. Write the number.
5400.07
7b. Write in word form.
Five thousand four hundred and seven hundredth
7c. Write in expanded form.
5000 + 400 + 0.07
7d. Write as a fraction.
540007 / 100