Is this right, if not then what is the equivalent expression of it, please make the answer easy and simple

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?

If the class creates a histogram of the data in table, how many students are in the range 12cm to 13.9 cm

The formula for the area of a regular polygon is a=1/2ap . what is the equation solved for a?