X+4.9=7.28 x= what is the answer

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Identify the number 127 as a rational or irrational. explain