Evaluate the Expression $( - 7.5 + 6.9 ) ( - 3.1 - 2.9 )$

question 118

Short Answer

Evaluate the expression. $( - 7.5 + 6.9 ) ( - 3.1 - 2.9 )$

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Definitions:

Antimicrobial

Substances that kill or inhibit the growth of microorganisms, including antibiotics, antivirals, antifungals, and antiseptics.

Scrubbing

The process of thoroughly cleaning the hands and arms prior to surgery to remove germs and prevent infection.

Sterile Drape

A sterile cloth used to create a barrier between the surgical field and possible sources of bacteria during medical procedures.

Sterile Field

An area kept free of microorganisms to protect against infection during medical procedures, often created using sterile drapes and equipment.