<span> 3h2 • (h + 7) • (h + 1) is the simplified version.</span>
Greater than (I'm like 80% sure of my answer)
Pharmaceutical companies prefers experimental studies to conducting surveys and observational studies because companies can manipulate or suggest methods easily to have good outcomes and they are able to directly observe the results. Experimental studies is a type of study in which a procedure and method is intentionally introduced.
