The answer is c i hope this help you out.
Answer:
the nth term is 2^n-3 because we see that each number is being multiplied by 2
Answer:
the answer is 31.9 years
Step-by-step explanation:
initial mass,
= 150 gram
half life,
= 32 years
new mass = half of initial mass = M = 0.5
formula , M =
where x is the number of years required.
therefore 0.5
=

therefore -0.0217 x =
therefore x =
= 31.942
I'm not sure if this is correct but I made this into the equation 61.5=17+2.5x. I solved the equation and the answer I got is 17.8%