A Calculator Answer of 423

question 4

Multiple Choice

A calculator answer of 423.6059 must be rounded off to three significant figures. What answer is reported?

• A)424
• B)423.6
• C)423.7
• D)420
• E)423

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Definitions:

Deep Ocean Floor

The abyssal regions of the ocean, characterized by high pressure, low temperature, and complete darkness, beyond the continental margin.

Non-native Species

Species that have been introduced to an environment where they are not naturally found, often having significant impacts on native ecosystems and species.

Agricultural Runoff

Water from rain or irrigation that carries soil, pesticides, and nutrients from fields into rivers, lakes, and other water bodies.

Fish Extinctions

The complete disappearance of fish species from the planet, often as a result of human activities, environmental changes, or natural events.