Lena is taking four classes. in one class, she is getting an 83. in another, she is getting another 83. in the third class, she is getting a 91. in her fourth class, she is getting an 89. what is her gpa?

An is a number that is written without a component. it is a number that is either or . an exponent is a or a number that another number is being to. the number that is being raised to a is called the . the or power tells you how many times to the base by . if an exponent is fractional then ask yourself the question: what when multiplied by itself a certain number of times will equal the number?