Question

the size of corona is 120nm.find the number of virus in 1m length​

Answer 1

Answer:

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Answer 2

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Answer:

1 nm =1 * 10 ^-9 m

So,

1*10^-9/120

8.333333333333E−12

The no. of corona virus in 1 m is. 8.333333333333E−12