I need help what is the activity in 2053 if in 2017 was 25kBq and the half-life is 12?
who give me a resonable answer win

Hen a gfci receptacle device is installed on a 20-ampere branch circuit (12 awg copper), what is the minimum volume allowance (in cubic inches) required for conductor fill for each conductor in the outlet box?

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?

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