Question

i just need #4 completed

HWI Due 1/31/19 at the BEGINNING of class! 1. Express the following in scientific notation: ir. d. 00074 4-7x1 ヤ10-9 Solve these problems without using a calculator. The easiest way is to convert the numbers to scientific notation first and then do the calculation. Be sure to express the answer in scientific notation! ly 2. 400000 x 40.000.000: yxdTX 4x107-16x10s- a. You win a scholarship to do a semester abroad in Europe. During your spring break you decide to get a student Eurorail pass and visit a bunch of countries. You like to keep track of costs in dollars, but the listed exchange 3. s only display Euros 1 0.86 Euros 1 British pound 1.10 Euros 1 Hungarian forint 0.0031 Euros 1 Swedish krona 0.09 Euros Convert the following expenses to dollars. (You can use a calculator, but write out the calculation to show your work!) a. Darts and a pint of cider at the local pub in York: 3.75 pouhds b. "Escape the room" in Budapest (the world capital of 'escape room games!): 7500 forints c. Smorgasbord at the Grand Hotel in Stockholm: 565 Swedish krona 4. In class we found that if the Earth was represented by a 3 inch diameter apple, the Moon would be a marble less than an inch in diameter, 7.5 feet away. If we expand our model to include the sun, how large would it have to be to be the right relative size to compare with a 3 inch apple Earth? How far away from the apple-Earth would the model sun need to be? Show your work! You'll need the following information: Diameter of earth 1.27 x 10 km Diameter of sun-1.4 x 101km Distance from earth to sun 1.5 x 10*km Give a physical example of something that could represent the sun in this model (example: a beach ball? a sphere the size of car? something else?) and where it would be with respect to the apple-earth at the front of the classroom (at the back of the room? at the other end of the building? somewhere else?)

Answer 1

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