Best Answer: To manipulate means to change. When you do a scientific experiment, the manipulative variable is the thing you change in order to see what happens. The responding variable is what you measure; it's the thing that changes in response to what you manipulate.
For loans and credit cards, avoid or limit interest charges. While it may sound like a bargain to pay the minimum due on your credit card so you have more money to spend on other things, the long-term costs of this strategy can be staggering.hat's because credit card interest rates can be quite high -- with the best of rates often being in the low double-digits. Instead, try to pay all or as much as possible of your outstanding credit card balance to avoid interest charges.
Best Answer: That's the reason its called a credit card :) You don't have to have money in your account :) Go shop but also remember they charge you an interest. . . its a certain percentage...differs according to the bank.ay when you receive the statement. Yes you will be charged interest, but this is what you need to do in order to build your credit rating. Paying early will not show activity on your account, no activity = no credit history.