'Exact' in the Bible

so that you may know the exact truth about the things you have been taught.

But Felix, having a more exact knowledge about the Way, put them off, saying, “When Lysias the commander comes down, I will decide your case.”

And He is the radiance of His glory and the exact representation of His nature, and upholds all things by the word of His power. When He had made purification of sins, He sat down at the right hand of the Majesty on high,