A Carpenter bought 750 nails. Each nail has a mass of 5.2×10 to the -3rd power kilogram. What is the total mass, in kilograms, of the nails the Carpenter bought? Give your answer as a decimal.

41/2 - 1 1/3 what is the answer as a fraction?

Math each whole number with a rational, exponential expression

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