Please help it is for algebra 2

Six random samples were taken each year for three years. the table shows the inferred population for each type of fish for each year.

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?

Place the indicated product in the proper location on the grid. -4x3y2(7xy4)