Estimate the sum or difference by first rounding each value to the indicated place value. Then find the actual sum or difference.231.85 + 4 + 19.782
round each to the nearest one
A. Estimate: 254; Actual: 256.632
B. Estimate: 254; Actual: 255.632
C. Estimate: 256; Actual: 255.632
D. Estimate: 256; Actual: 256.632
Answer: C
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State whether the scatter diagram shows strong positive correlation, weak positive correlation, strong negative correlation, weak negative correlation, or no correlation. 
A. Weak positive correlation B. Strong negative correlation C. No correlation D. Weak negative correlation E. Strong positive correlation
List the numbers from the set that are of the type indicated.{18, 
, -16, 0}Real numbers
A. 18
B. 18, 0
C. 18, -16, 0
D. 18, 
, -16, 0
Use Bayes' rule to find the indicated probability.Two shipments of components were received by a factory and stored in two separate bins. Shipment I has 2% of its contents defective, while shipment II has 5% of its contents defective. If it is equally likely an employee will go to either bin and select a component randomly, what is the probability that a defective component came from shipment II?
A. 0.714 B. 0.222 C. 0.5 D. 0.2
Multiply the polynomials.(a - 11b)(a2 + 5ab - 8b2)
A. a3 + 16a2b + 47ab2 - 88b3 B. a3 + 16a2b + 63ab2 + 88b3 C. a3 - 6a2b - 63ab2 + 88b3 D. a3 - 6a2b - 47ab2 - 88b3