How do you figure out 7 to the 2nd power?

If you plan a trip to Europe in 2 years how much money will you need to invest at 3 percent interest rate compounded annually to have 2000 in 2 years use? Is 5327 a square number? How do you write 1894037? How many does 9 go into 5? What is the percent of of 9 over 20? What is the meaning for smart card in Tamil? Solve 4x-4y equals 24? When a script says one every 4 hours and was giving 90 so how many pills is that a day and how long should they last? Who calculate that there were 365.2422 days? What is 10 percent off of 760? How can you describe and classify angles? How do you determine your final grade if 85 percent is 71 and 15 percent is 60? What is .0000045 in scientific notation? Why is a positive times a negitive a negitive? A ratio that comparing a number to 100? How do you solve this equation -6 equals x over 12? What is the value of a 22 caliber berrata? How do you change 0.25 into a fraction or mixed number in simplest form? How does an eraser erase? Why is 743 a prime number?