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Hi there! Have questions about your homework? At Brainly, there are 60 million students who want to help each other learn. Questions are usually answered in less than 10 minutes. Try it for yourself by posting a question! :D

The answer would be 16 sqrt of (2/5) use the geometric mean formula to solve for the common ratio. disregard first the first 3 terms then make 40 to be your first term (a1) and 100 as the last term (an) the common ratio is sqrt of (5/2) just divide 40 by sqrt of (5/2) then divide again the quotient of the previous term. divide and divide until you arrive at the first term