Question

The size of a bacteria is 1 µ. Find the number of bacteria in 1m length.

  • Measurement Class 9 ICSE
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Answer

Size of a bacteria = 1 µ

Total length = 1m

∴ Number of bacteria in 1m length = 1 m / 1 µ

As we know, 1 µ = 10-6m, substituting the value in the relation above we get:

Number of bacteria in 1 m length = 1 m/ 10-6 m = 106

Hence, the number of bacteria in 1m length = 106 bacteria.

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