Two radioactive samples decay at different rates as shown on the graph. Which is closest to the time that these two samples are equal in mass?

A. 0.9 years
B. 1.8 years
C. 2.3 years
D. 3.0 years

hreryryrranswer:

step-by-step explanation:

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step-by-step explanation:

if you was gonna solve for a, a is a   < -12

step-by-step explanation:

if you want to separate 54 into 6 individual tiers then you need to divide if you want to separate 54 into 6 individual tiers then you need to divide 6 and 54.

if you divide 9 by 6 you will get 54.

- hope i .