Is the area of a key on a calculator 6.5 mm^2 , 65 mm^2 or 0.65 cm^2?
1 answer:
Answer:
65 or 0.65
which are exactly the same area
Step-by-step explanation:
Notice that 65 is exactly the same as 0.65
.
The most likely answer is 65 , since 8 mm by 8 mm is a reasonable size for a square shaped key of a hand-held calculator to fit a human finger.
The answer 6.5 is an area too small (about a square 3 mm by 3 mm which is to small for a human finger. It would be more appropriate for a pen or point of some type.
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