1) Add the following and write your answer using significant figures. What is 15,000 + 328?
2) Add the following and write your answer using significant figures. What is 51.028 + 3.5?
3) Multiply the following and write your answer using significant figures. What is 25 x 15?
4) Divide the following and write your answer using significant figures. What is 7.921/8.22?