Standard form, expanded form, and word form that are at least 8 digits long 5 numbers for each numbers

Standard form: 91,553,764 = 9.1553764 x 10^7

Expanded form: 91,553,764 = 90,000,000 + 1,000,000 + 500,000 + 50,000 + 3,000 + 700 + 60 + 4

Word form: Ninety one million, five hundred and fifty three thousand, seven hundred and sixty four.