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Q.

Find the product, using suitable properties:Question Image


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a

1140

b

1024

c

–1140

d

1149 

answer is A.

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Detailed Solution

Concept- The distributive property and the rule of signs for multiplication will be used in this type of question to solve the given expression.
When two integers with similar signs are multiplied, the result will always be positive according to the sign rule of multiplication in algebra.
The distributive property for three numbers a, b, and c is stated asQuestion Image.
The expression is given asQuestion Image.
The given expression is a representation of the distributive law of multiplication over addition.
Question ImageQuestion ImageHence, the correct answer is option (1).
 
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