Dear All,
I am trying to put 10^-8 st km^-2day^-1 on x-axis of my plot. I tried using
: ylab = expression(paste("st / ", plain(km)^2, " / day")) to see if I can
at least get the unit before thinking about the power of 10  (10^-8).

However, ylab = expression(paste("st / ", plain(km)^2, " / day")) didn't
give the result I expected. The power 2 in km was missing.

I will be glad for any help on how to label 10^-8 st km^-2day^-1 on the
axis.
Many thanks
Regards
Ogbos

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