The mass of the Rock of Gibraltar is 1.78 ⋅ 1012 kilograms. The mass of the Antarctic iceberg is 4.55 ⋅ 1013 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.

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

Write the equation in logarithmic form 8^x=64