Convert Units: 70 µm to m & km

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SUMMARY

The discussion focuses on converting 70 micrometers (µm) into meters and kilometers. The correct conversion is established as 70 µm = 0.00007 meters. For kilometers, the conversion is clarified as 70 µm = 0.00000007 kilometers, achieved by recognizing that 1 kilometer equals 10^3 meters, which cancels out the kilo prefix. Additionally, the conversation touches on calculating volume using the formula length × width × height for cuboidal shapes.

PREREQUISITES
  • Understanding of metric prefixes, specifically micro (µ) and kilo (k).
  • Basic knowledge of unit conversion principles.
  • Familiarity with scientific notation.
  • Concept of volume calculation for three-dimensional objects.
NEXT STEPS
  • Research metric prefixes and their conversions in detail.
  • Learn about scientific notation and its applications in unit conversions.
  • Explore advanced unit conversion techniques for various measurement systems.
  • Study volume calculation methods for different geometric shapes beyond cuboids.
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Students, educators, and professionals in science and engineering fields who require a clear understanding of unit conversions and volume calculations.

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I'm confused when it comes to converting units. Ok here's a problem, what is 70 µm in meters? kilometers? I know that one µ equals 10^-6 so does that mean 70 µm = 0.000070m? I did 70.0 and counted forward 6 decimal places to get my answer. But I don't think I did it right. How would I do kilometers? It says that kilo equals 10^3. Would it be 70000?
thanks
 
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Pencil said:
I'm confused when it comes to converting units. Ok here's a problem, what is 70 µm in meters? kilometers? I know that one µ equals 10^-6 so does that mean 70 µm = 0.000070m?
That is correct. You can avoid writing the 0 at the end 0.000070 = 0.00007

How would I do kilometers? It says that kilo equals 10^3. Would it be 70000?
thanks
Nope. You have to convert 70µm to kilometres.

70µm = 0.00007m = 0.00007 x 10-3 Km (note that the 10-3 and Kilo cancel each other)
 
Last edited:
Ohh I see! So that would make it 0.00000007km? Thanks! xD Also is volume found by l*w*h? (length)(width)(height)?
 
Pencil said:
Ohh I see! So that would make it 0.00000007km?
That is correct.
Also is volume found by l*w*h? (length)(width)(height)?
That's true for a cuboid. You may have to resort to other formulae/methods to find the volumes of other 3d objects.
 

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