darrenjiang0
darrenjiang0 darrenjiang0
  • 09-06-2020
  • Mathematics
contestada

Which expressions have a positive product? *




–(5)(–0.2)(–1.9)(9)



–(2.14)(1.6)(14)



(6.3)(–8.7)(0.7)



(8.5)(–0.4)(–2.7)

Respuesta :

altavistard
altavistard altavistard
  • 09-06-2020

Answer:

The fourth choice is the correct one.

Step-by-step explanation:

If the count of negative signs is even, the product is even (positive).

This does not apply to the first choice; this expression is odd.

Same for the second choice.

Same for the third choice.  The expression is odd.

The fourth choice is POSITIVE because there are an even number (2) of negative signs.

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