What steps do scientists need to follow to make sure that a scientific investigation is replicable

The scientist should do the following to make sure that their scientific investigation is replicable is by having to have their studies, researches and experiments to be written down as this will serve as a basis and a way of having to have a solid proof of having the investigation or experiment to be conducted again or to be replicable.

29.1-12=17.1the answer is this one

The answer would be