11 months ago

a dust mite is 400 pm long under a microscope, it looks 100,000 pm long. what magnification scale was used

Mathematics

1 answer:

Novay_Z [31]11 months ago

6 0

Answer: 250:1

Step-by-step explanation:

Divide the measurement of appearance by the actual measurement.

$100,000/400=250$

The magnification scale is 250:1. The scale is used by a 250X magnifying lense.

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2 years ago

Nora bought a cartoon character lunchbox for $40. A price guide says it is worth $32. What's the percent decrease?

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Answer:

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Step-by-step explanation:

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