Which number below is the standard form of nine hundred ninety-one million, five hundred forty-seven thousand, thirty-nine and two hundred seventy-two thousandths? Explain your thinking and your choice using expanded notation.a) 991,517, 039.272b) 991,745,039.722c) 991,547,039.272
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5.2 Number and operations. The student applies mathematical process standards to represent, compare, and order positive rational numbers and understand relationships as related to place value. The student is expected to:
(A) represent the value of the digit in decimals through the thousandths using expanded notation and numerals