Scientific endeavor should only be pursued after known tradeoffs associated with the research have been considered. true or false?

This is false. There were many times in history when people discovered something that they didn't even know was possible or didn't even plan to discover it. Knowing tradeoffs doesn't mean that something won't surprise you or that all will go according to plan.

V=IR
V=15x11
V=165ohms

I don’t quite remember the unit

Ohms law