Since the decimal point is moved 5 places to the left multiply by 10 to the 5 power

Aweekly newspaper charges $72 for each inch in length and one column width. what is the cost of an ad that runs 2 column inches long and 2 columns wide? its not 288

Astudent was asked to find the square of 7x+3. the student quickly wrote (7x+3)^3= 49x^2+9. identify the student's error and provide the correct answer.

If the diagram polygon abcd is a reflection across ef to make polygon a'b'c'd'.