Question

PLEASE HELP FAST!!!

The mass of the Rock of Gibraltar is 1.78 ⋅ 10^12 kilograms. The mass of the Antarctic iceberg is 4.55 ⋅ 10^13 kilograms. Approximately how 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.
Make sure to explain all the steps it took you to get the answer! :)

Answer 1

Mass of the Antarctic iceberg = 4.55*10^13
Mass of the rock of Gibraltar = 1.78*10^12
Excessive mass of Antarctic Iceberg than rock of Gibraltar
4.55*10^13 - 1.78*10^12
If we want to subtract easily both should be in same power of ten
45.5*10^12 - 1.78*10^12
43.72*10^12
4.372*10^13