Evaluate: 7 - 3 · |3 - (5² - 2)|

question 27

Short Answer

Evaluate: 7 - 3 · |3 - (5² - 2)|

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Definitions:

Cyanobacteria

Photosynthetic microorganisms that are important in ecological systems for oxygen production and as a part of the nitrogen cycle.

Fossilized Eukaryotes

Remains or imprints of ancient organisms with complex cells, preserved in rock.

Cyanobacteria

A phylum of bacteria that obtain their energy through photosynthesis, often referred to as "blue-green algae."

Ozone Layer

A layer in the Earth's stratosphere containing a high concentration of ozone, which absorbs most of the sun's ultraviolet radiation.