What is 712,156 written in expanded form? 1 x 100,000 + 2 x 10,000 + 7 x 1,000 + 5 x 100 + 1 x 10 + 6 2 x 100,000 + 7 x 10,000 + 1 x 1,000 + 6 x 100 + 6 x 10 + 1 6 x 100,000 + 5 x 10,000 + 1 x 1,000 + 2 x 100 + 1 x 10 + 7 7 x 100,000 + 1 x 10,000 + 2 x 1,000 + 1 x 100 + 5 x 10 + 6 x 1