11 + (3)(9)
Step 1: 11 + (9)(3)
Step 2: (11 + 9)(3)
Step 3: 20(3)
Step 4: 60
Analyze the work to find the error.
O In Step 1, the commutative property of
multiplication was not done correctly
O In Step 2, the associative property cannot regroup
addition and multiplication
O In Step 3, the multiplication must be done first
In Step 4, the product is incorrect

Which number produces a rationale number when multiplied by 1/5

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

If your score on your next statistics test is converted to a z score, which of these z scores would you prefer: minus2.00, minus1.00, 0, 1.00, 2.00? why? a. the z score of 2.00 is most preferable because it is 2.00 standard deviations above the mean and would correspond to the highest of the five different possible test scores. b. the z score of 0 is most preferable because it corresponds to a test score equal to the mean. c. the z score of minus2.00 is most preferable because it is 2.00 standard deviations below the mean and would correspond to the highest of the five different possible test scores. d. the z score of minus1.00 is most preferable because it is 1.00 standard deviation below the mean and would correspond to an above average