If 4:6=6:×thenaehatisthevalueof
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Step-by-step explanation:
Rational numbers are closed under addition subtraction and multiplication.
Division : eq. −35÷23=−910, which is also a rational number. For any rational number a, a ÷ 0 is not defined. So, rational number are not closed under division.
However, if we exclude zero then the rational numbers are closed under division.
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