The correct answer is cout << "i=" << i << " " << "f=" << f; variable i and a floating-point variable f,
A variable is a quantity that might change depending on the circumstances of an experiment or mathematical problem. Typically, a variable is denoted by a single letter. The general symbols for variables most frequently used are the letters x, y, and z. Any qualities, amount, or number that can be gauged or tallied qualifies as a variable. A data item is another name for a variable. Examples of variables include age, sex, company revenue and costs, country of birth, capital expenditures, class grades, eye color, and vehicle kind. Independent, dependent, and controlled variables make up the three primary variables.
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