If 6 percent of all credit card charges never get paid, and total credit card charges last year were $750 billion, what was the total amount of unpaid credit card charges last year?

0.06 * 750,000,000,000 = $45,000,000,000

To find the total amount of unpaid credit card charges last year, you can follow these steps:

1. Calculate the percentage value of the unpaid credit card charges: 6 percent of $750 billion.
- 6 percent can be converted to decimal form by dividing it by 100: 6/100 = 0.06.
- To find the value, multiply 0.06 by $750 billion: 0.06 * $750,000,000,000 = $45,000,000,000.

Therefore, the total amount of unpaid credit card charges last year was $45 billion.