For some of these, a calculator is helpul.
The sum is 294903.
_____
This is the sum of 15 terms of a geometric sequence with first term 9 and common ratio 2. That sum is given by the formula

This is the ans plus u can use maths from Microsoft app for these type of questions
We can't help you if you don't say the problem with ou need help with
$195 x 40%
195 x .40 = 78
The price decrease is $78.00
Hope this helps. :)
49 and 5/8. 100-50=50-3/8 is going to be 49 and 5/8.