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Question
Name the property used in the following.
`-7/11 xx (-3)/5 = (-3)/5 xx (-7)/11`
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Solution
Commutative property over multiplication
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RELATED QUESTIONS
Using appropriate properties find
`2/5 xx (-3/7) - 1/6 xx 3/2 + 1/14 xx 2/5`
Verify commutativty of addition of rational numbers for each of the following pairs of rotional numbers:
Using commutativity and associativity of addition of rational numbers, express each of the following as a rational number:
Give an example and verify the following statement.
Subtraction is not commutative for rational numbers
For all rational numbers x and y, x – y = y – x.
For all rational numbers x and y, x × y = y × x.
Subtraction of rational number is commutative.
Rational numbers can be added (or multiplied) in any order
`(-4)/5 xx (-6)/5 = (-6)/5 xx (-4)/5`
Using suitable rearrangement and find the sum:
`4/7 + ((-4)/9) + 3/7 + ((-13)/9)`
Using suitable rearrangement and find the sum:
`-5 + 7/10 + 3/7 + (-3) + 5/14 + (-4)/5`
