Simon entered a number into his calculator. To this number, he added the square of the original number and the cube of the original number. Simon got the answer 543.192 Use a trial and improvement method to find the number that Simon first entered into his calculator.

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.