So,
To find the expanded form, split the number into each place value.
11,760,825
10,000,000 (ten million) + 1,000,000 (one million) + 700,000 (seven hundred thousand) + 60,000 (sixty thousand) + 800 (eight hundred) + 20 (twenty) + 5 (five)
10,000,000 + 1,000,000 + 700,000 + 60,000 + 800 + 20 + 5