Answer: 4826809
Since there are 13 objects and you can take 6 then the equation is 13^6. Which will make the answer 4826809.
I couldb't understand you're question but here are possible answers and explanations
What is the total price: $49.74
$46.49 • 0.07 = 3.25
46.49 + 3.25 = 49.74
What was the sales tax amount: 3.25
$46.49 • 0.07 = 3.25
Hope this helps.
4x divide 16 3x-4y it is the answer