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OpenStudy (partyshotz2409):
Which is the more reasonable measurement of the distance between the tracks on a DVD: 7.4 ⋅ 10^−4 mm or 7.4 ⋅ 10^4 mm? Justify your answer
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OpenStudy (partyshotz2409):
I think it is 7.4*10^4 but i am not sure
OpenStudy (welshfella):
negative indice means < 1
OpenStudy (welshfella):
10^4 = 10,000
OpenStudy (partyshotz2409):
ok so would it be negative indice
OpenStudy (welshfella):
yes 10^-4 = 0.0001 pretty small
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OpenStudy (welshfella):
- even 7.4 times that is pretty small...
OpenStudy (partyshotz2409):
thank you
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