Select all expressions that complete the statement using the specified property. Commutative Property of Multiplication.

13.2 x (2 x 1) =

A. (1 xx) x 13.2
B. (x 1) × 13.2
C. 13.2 x (1 xx)
D. (13.2 x z) x1
E. 13.2 x zx1

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.