D; answer all 862.4 × 0.03 a. 25.872 b. 258.72 c. 2,587.2 d. 25,872 150.4 ÷ 3.2 a. 47 b. 4.7 c. 0.47 d. 0.047 multiply. 6 × 0.001 = divide. 3.639 ÷ 0.03 = divide. 0.45 ÷ 150 = adrian said that 21.8 × 1.9 equals 41.42. is adrian's answer reasonable? a. yes, adrian's answer is reasonable. b. no, adrian's answer should be closer to 0.4. c. no, adrian's answer should be closer to 4. d. no, adrian's answer should be closer to 400. abby said that 22.47 ÷ 2.1 equals 0.107. is abby's answer reasonable? a. yes, abby's answer is reasonable. b. no, abby's answer should be closer to 1.1. c. no, abby's answer should be closer to 11. d. no, abby's answer should be 110. mary solved this problem. robert bought 5 packages of rubber bands. he paid $0.69 for each package. how much did robert pay for the rubber bands? mary thought the answer was $345. is mary's answer reasonable? a. yes, mary's answer is reasonable. b. no, mary's answer should be closer to $34. c. no, mary's answer should be closer to $0.34. d. no, mary's answer should be closer to $3.40