Question

A 78 gram sample of Uranium loses half of its mass each year. What is the Exponential equation??

A.
$y = 78(1.5) {}^{x}$
B.
$y = 78(0.5) {}^{x}$
C.
$y = 78(2) {}^{x}$
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Answer 1

Answer: B , 78(0.5) ^x

Step-by-step explanation: it’s being multiplied by 0.5, which is half.