How do you use place value to round 286 to nearest 10?

WHAT IS FOUR FIFTHS MINUS THREE EIGHTHS? How many kilometers does 3 centimeters represent? How much water does a 1 inch hose output in one minute? Test whether a number is even or odd? Round 30.089 to the nearest whole number? Does a 1952 penny have a hole in the middle? How many feet in 146 meters? The LCM of two numbers is 42 Their sum is 20? What is 100 billion times 10.00 equal? What is 6.26 rounded to the nearest tenth? What is the function of phosphatases? What is Web 3.0 and how do you think Web 3.0 developments could impact businesses? How do you write 240000.00 in words instead of numbers? What are all possible whole number dimensions for rectangles that have a perimeter of 18 meters? What are the two things that are on each sides of the window that just to decorate? What is the square root of 2700? What percent of 24 is equals 6? What is 3 over 100 is reduced down to? How old are you if you were born 1949? What is 220 over 100 in simplest form?