How many parsec make up 1 metre ? What is the order of magnitude?

Answer

`3.22xx10^(-17); -17`

Explanation

As is known,
1 par sec= `3.1xx10^(16) meter`
:. 1meter = `(1)/(31.xx10^(16))` par sec`3.225 xx 10^(-17)` par sec
As. 3.225 lt 5, therefore, order of magnitude = -17