BRAINLIEST AND XTRA POINTS FOR THE FIRST CORRECT ANSWER-Adriana was taking a math assessment on scientific notation. She had to multiply 8⋅(2.4×10^14) and her answer choices were as follows:A 19.2 × 10 ^14 B 1.92× 10 ^14 C 1.92 × 10^15 D 19.2 × 10^15 E1.92 × 80^14. She used test taking strategies to help her narrow down her choices. Explain why she could immediately eliminate answer choices A and D. Then explain why she was also able to eliminate answer choice E.

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck