Why are very large and very small numbers usually written in powers of ten notation

Large and small numbers are written in powers if ten notation to not confuse me and to show my work neatly.

Explanation:

some fungi obtain their nutrients from a living host (plant or animal) and are called most biotrophic fungi have fairly narrow host ranges—they are specialized on a limited called rhizomorphs that allow the fungus to grow from one tree to another. ascospores are formed inside a sac-like structure called an ascus. so your answer is a

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