Physics

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A watch manufacturer claims that its watches gain or lose no more than 8 seconds in a year.

How accurate is this watch, expressed as a percentage?

• Physics -

Express 8 seconds as a fraction of the number of seconds in a year. Then change that fraction to %

8/(24*365*3600) = 2.5*10^-7
= ____ %

• Physics -

0.2

• Physics -

100

• Physics -

2.5*(10^-9)%

• Physics -

A watch manufacturer claims that its watches gain or lose no more than 8s in a year.

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