Help I need help pls The mass of the Rock of Gibraltar is 1.78 - 1012 kilograms. The mass of the Antarctic iceberg is 4.55 • 1013 kilograms. Approximately now many more kilograms is the
mass of the Antarctic iceberg than the mass of the Rock of Gibraltar? Show your work and write your answer in scientific notation.

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. a new supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which size bag provides the best deal, and how much will you save each month? compare the cost of the new supplier to the current one.