1. Expand and simplify: (x + 2)(x - 3)
2 answers:
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Answer:
0.65g
Step-by-step explanation:
Decay rate = 50%
Decay rate = 0.5
where Ao = initial amount at start, k = rate of decay or growth, t = time, e = euler's number and A = value at time 't'
Ao = 4.8
t = 88/44 = 4
k = 0.5
substitute these values in the equation