Round 845,001 to the nearest

-- Rounded to the nearest ten, hundred, or thousand, 
   845,001  becomes  845,000 .

-- Rounded to the nearest ten thousand,  845,001  becomes  850,000 .

-- Rounded to the nearest hundred thousand,  845,001  becomes  800,000 .

-- Rounded to the nearest million,  845,001  becomes  1,000,000 .

-- Rounded to the nearest ten million or any higher order of magnitude, 
   845,001  becomes zero. 

than do 23.50 times 18 and then divide your answer by 100 than you will get x.