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Question

asked Nov 13, 2022 192k views

1 Answer

Ewhitt · Answer 1 · 2022-11-19T21:44:15+0000

Answer:

t= 41.2 minutes

Explanation:

$16=290(0.5)^{(t)/(10) }$

Divide by 290 to get the exponential expression alone

$(16)/(290) \\(8)/(145)=(.0.5)^(t/10)$

Use Logs to solve

x=a^(y) is equal to
y=log_(a) x

(t)/(10) =log_(0.5) (8)/(145) (put in calculator)

(t)/(10) = 4.18

t= 41.2 minutes