How to write 6,792,365 in expanded form

Solve for x i'll try to attach the files bc it's not letting me for some reason

Which statement about perfect cubes is true

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.