Mickey used 18 cubes to make this 3-step staircase. If he uses a total of 63 cubes to make a similar staircase, how many steps will the staircase have?

5

step-by-step explanation:

just get this app called photo math it should be able to do those

in 2010, the population of the state of california is 37.29 × 10⁶

step-by-step explanation:

population of los angeles = 3.79 × 10⁶

population of california = 9.84 × population of los angeles

                                        = 9.84 × 3.79 × 10⁶

                                        = 37.2936 × 10⁶

                                        = 37.29 × 10⁶

∴ in 2010, the population of the state of california is 37.29 × 10⁶