The mass of Mars is 6.42x10-23kilograms. The mass of mercury is 3.3 kilograms. What is the combined mass in scientific notation?

In the diagram below, tan θ = sqrt 3. what is the value of m?

To make a monster appear large in a movie, a human actor wore a costume and walked through a scale model of a city. the scale used was 1 inch = 15 feet. the actor is 60 inches tall. how tall does the monster appear in the movie? question 5 options: 720 feet 75 feet 4 feet 900 feet

How do i do this activity, is appreciated