kaylee777 kaylee777 16-10-2019 Mathematics contestada - The expression below shows a number in expanded form. What is the standard form of the number? (Lesson 3.2) 2 x 10+ 3 *10 +9 * 100 + 7 X 1,000 A 2,397 B 20.397 C 2.397 D 2.0397 What is the following answer?