How to write 2.06 x 10 to the 10th power in standard form?

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

Find the domain of the following expression: 1/(√x)-2

The median for the given set of six ordered data values is 29.5 9 12 25 __ 41 48 what is the missing value?