Question

Q.4 state the sign of the products without actually multiplying (-2)×(-3)×(-4)×(-5)
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Answer 1

Answer:

the sign will be( - ) because 4 numbers are multiplied and 4 is a even no.

Answer 2

The sign of the product is positive.

GIVEN:- (-2)×(-3)×(-4)×(-5)

TO FIND:- a sign of the product of the given.

SOLUTION:-

• Product is the outcome when the numbers or variables are multiplied by each other.
• The product of two negative numbers has a positive outcome
• The product of two positive numbers has a positive outcome
• The product of a negative number and a positive has a negative outcome.

According to the question, we need to find (-2)×(-3)×(-4)×(-5) the sign of the product.

We'll only solve for signs as per the question,

Starting from (-2)×(-3) will have a positive sign (- × - = +)

Then + sign × (-4) will have a negative sign (+ × - = -)

And lastly - sign × (-5) will have a positive sign ( -× - = +)

Hence, the sign of the product is positive.

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