5/8 minus 1/4 is:

←Make them common denominator

←Do the subtraction

←There is your answer
not totally sure what you mean by explain the mean of 0, however
250 attendees = +250 from zero
loses 7 = -7 from zero
Deposit 55 = + 55 from zero
Drop 9 = -9 from zero
Austin = +425 from zero
Two hundred thirty five thousandths. -Sorry I edited this. Didn't realize my error until I did the actual math.
If that's not what you're referring to by "expanded form" you may be referring to
235 * (1/1000)
4x * 9 = ?
4.3 * 9 ⇒ 1 2 * 9 = 108
Answer:
Step-by-step explanation: