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State the property used in each of the ...

State the property used in each of the following statements:
(i) `19xx17=17xx19`
(ii) `(16xx32)` is a whole number
(iii) `(29xx36)xx18=29xx(36xx18)`
(iv) `1480xx1=1480`
(v) `1732xx0=0`
(vi) `72xx98+72xx2=72xx(98+2)`
(vii)`63xx126-63xx26=63xx(126-26)`

Text Solution

Verified by Experts

The correct Answer is:
(i) Commutative law for multiplication of whole numbers
(ii)Closure property for multiplication of whole numbers
(iii)Associative law for multiplication of whole numbers
(iv) 1 is the multiplicative identity in whole numbers
(v) `a xx 0=0` for every whole number a
(vi) Distributive law of multiplication over addition in whole numbers.
(vii) Distributive law of multiplication over subtraction in whole numbers
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Knowledge Check

  • What will come in place of question mark (?) in the following questions ? 8.8 xx 3.2 xx 4.5 - 7.2 xx 3.2 = ?

    A
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    B
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    C
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