- 8th
- Maths
- Rational Numbers
- Properties of Rational Numbers

Rational Numbers

Maths

Class 8

State the closure, commutative and associative properties for arithmetic operations of rational numbers by giving the reference of natural numbers, whole numbers and integers. State that the rational numbers with the exception zero are closed under division. Explain the Additive identity and multiplicative identity for rational numbers. Define the additive inverse and multiplicative inverse. Explain Distributivition of multiplication over addition for rational numbers. Solve Problems based on it.

If true then enter $1$ and if false then enter $0$

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$21 ×(43 +12−5 )=21 ×........+.......×12−5 $

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$5/9×(−3/2+7/5)=5/9×−3/2+5/9×7/5$.

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$30 $

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$43 ⋅59 =2027 $

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$2−3 +(31 +74 )=(5−3 +31 )+74 $

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$−117 ×5−3 =5−3 ×11−7 $

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$−2×5−3 $

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