A GM detector with a mica window is to be used for measurement of 14C activity. What should the thickness of the window be if it is required that at least 90% of the 14C betas enter the detector

e^-kt = n/n0 = 0.79  

-kt = ln 0.79  

t = - ln 0.79/0.0001  

= 2357 years

step-by-step explanation:

5

step-by-step explanation:

ιт ωιℓℓ вєтнє fιяѕт ¢нσι¢є(α.)

convert the exponential equation to a logarithmic equation using the logarithm base (6) of the right side (36) equals the exponent (2).

ℓσg6(36)=2

нσρє ι ¢συℓ∂ нєℓρ уα

its perfect good job honey

step-by-step explanation:

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