Work out th following in standard form 3000 x 5000

Anyone know these questions? i need ,.

Answer 20 points and brainiest ! on the board, your teacher writes an example of how to find the median. one of the numbers is erased, leaving what is shown, 18, 30, 26,12 22. what is the median? a. 10 b. 20 c. 24 d. 28

Akindergarten class has 9 girls and 11 boys in class.what percent of the class are girlsit rain