Question

verify the closure propety for addition and multiplication of the rational numbers-5/7 and 8/9​

Answer 1

Answer:

For example: (-3/7 × 5/14) = {(-3) × 5}/(7 × 14) = -15/98, is a rational number . (-4/5 × -7/3) = {(-4) × (-7)}/(5 × 3) = 28/15, is a rational number. Commutative property of multiplication of rational numbers: Two rational numbers can be multiplied in any order.