Multiplying decimal *= times symbol. 6.4 × 0.8 = ? 0.89 × 0.65 =? 1.63 × 0.93 =? pleas & in advance!

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population,find the population standard deviation, o.79828588912497

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

Which statement shows that 6.24 is a rational number? a. 6.24 = 6.242424 b. 6.24 = 6.24 c. 6.24 = 68⁄33 d. 6.24 = 66⁄25