The value of this expression is 16. In exponential problems you can multiply the base by the number of times the exponent is. In this case it would be: 2*2*2*2. Then just multiply and get the product of 16.
It would be 6 days because. It would be 57 dollars per day
$6.50 x 8 = $52 which is the hourly rate for her 8 hours
Then
$0.45 x 74 = 33.3
$33.3 + $52 = $85.30
If your asking to get dead on it's the closest I came because it would be under or over the $85
Beuyer keeps Zurich time even while closing a deal in Shanghai
is the correct answer