899,765 rounded to the nearest hundred thousand

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236

Adele is five years older than timothy. in three years, timothy will be 2/3 of adele’s age. what is adele‘s current age?