MATH104

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math104

Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.64 cross product 10−5 watts/cm2

MATH104

he half-life of 234U, uranium-234, is 2.52 multiplied by 105 yr. If 97.5% of the uranium in the original sample is present, what length of time (to the nearest thousand years) has elapsed? yr

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