The because that this concern were no given. So i have an instance the answer choices are 0, 1/4, 5/4, and also 1/2. The answer would be 5/4. A an easy rule to follow is any value that is better than 1 can be used. 5/4

it has to be grater 보다 1.0 so its 1 and also one fourth. Or 5 over 4.


actually i just took the penn foster test and that"s not right. Its c. 1/2

the answer can be uncovered on page 12-14 in the pen foster study unit.


pg 26 third paragrapgh "all materials must have actually an table of contents of refraction better than 1.

D) it is the just value better then 1)) 5/4

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∙ 6y ago
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