What do the computed mean and median tell you? fill in the blanks below. (use a 25% difference as the criterion for a "substantial" difference between the mean and median.)?

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)