the mass of the rock of gibraltar is 1.78 x 10^12 kilograms. The mass of the antarctic iceberg is 4.55 x 10^13 kilograms. approximately how many more kilograms is the mass of antarctic iceberg than the mass of the rock of gibraltar? show your work and write your answer in scientific notation.

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.