What is 4.205 x 105 in standard form?

What is the length of the missing leg in this right triangle? 18 mm 24 mm 26 mm 32 mm

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

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?