-7 times -13-17 times -13-ttext-

The correct option is A 130 ( 7) × ( 13)+(17)× ( 13) =( 13)× ( 7)+( 13)×(17) (Using commutative property) =( 13)×( 7+17) [Using distributive property of nbs ...

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Byju's Answer

Standard VI

Mathematics

Distributivity

𝔨-7 times -1...

Question

$(- 7) \times (- 13) + (17) \times (- 13) =__$

120

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-130

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140

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175

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Solution

The correct option is B
-130

$(- 7) \times (- 13) + (17) \times (- 13)$

$= (- 13) \times (- 7) + (- 13) \times (17)$

(Using commutative property)

$= (- 13) \times (- 7 + 17)$

[Using distributive property of multiplication of whole numbers:
a x ( b + c ) = (a x b) + (a x c)]

$= (- 13) \times (10)$

$= - 130$

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Similar questions

$(- 7) \times (- 13) + (17) \times (- 13) =__$

$(- 7) \times (- 13) =___$

Q. The property under multiplication used is:

- \frac{13}{17} \times \frac{- 2}{7} = \frac{- 2}{7} \times \frac{- 13}{17}

Q. Name the property under multiplication used in each of the following.

- \frac{13}{17} \times \frac{- 2}{7} = \frac{- 2}{7} \times \frac{- 13}{17}

Q. Question 5(ii)
Name the property under multiplication used in each of the following:

- \frac{13}{17} \times \frac{- 2}{7} = \frac{- 2}{7} \times \frac{- 13}{17}

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(−7)×(−13)+(17)×(−13)=__

The correct option is B -130 (−7)×(−13)+(17)×(−13) =(−13)×(−7)+(−13)×(17) (Using commutative property) =(−13)×(−7+17) [Using distributive property of multiplication of whole numbers: a x ( b + c ) = (a x b) + (a x c)] =(−13)×(10) =−130

$(- 7) \times (- 13) + (17) \times (- 13) =__$