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.
Credit cards charge interest and are primarily used for short-term financing. A credit card will come with a spending limit that individuals may not exceed during a period, typically one month. The benefits of using a credit card are fairly simple. First, a credit card allows consumers to purchase goods and services without the required cash or checking account balance in hand. In addition, credit cards may receive the best exchange rates when traveling to foreign countries.