Answer
$1.20$
Work Step by Step
If $y=Ab^{t},$
we are given $y=3A$ and $t=6$. Substitute and solve for b.
$3A=Ab^{6}\qquad/\div A$
$3=b^{6}\qquad/(...)^{1/6}$
$b=3^{1/6}\approx 1.20$
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