If a number has an infinite amount of 0's on the end of it, can I shorten it to just one 0?

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

What is the location of point g, which partitions the directed line segment from d to f into a 5: 4 ratio? –1 0 2 3

Graham’s monthly bank statement showed the following deposits and withdrawals. -$25.20, $42.75, -$22.04, -$18.50, $74.11. part a if grahams baldness in the account was $37.86 at the beginning of the month,! 27/4! 2// the account balance at the end of the month? ? plz i will give you 100 points