Jamir has decided that he needs a new car. He has found the model and color he wants for a purchase price of $25,838. To buy the car, he must put 10 percent down, and his loan is for five years with an interest rate of 4.4 percent. His payments are $432.46. To lease the car, he can sign a three-year contract with payments of $290. He needs to provide $1,500 up front to pay initial fees and his first month's payment. His annual mileage cannot exceed 15,000 miles. What are the disadvantages if Jamir decides to purchase the car? Check all that apply. He will not get the model he wants. He will have to come up with a bigger down payment. His monthly payments will be higher. He will have to return the car when he is done making payments. The purchase price will be higher.

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step-by-step explanation:

the answer to the expression is 83

the largest number of the four options is 1.8 x 10-2

you have it in scientific notation.

1.80 x 10-6   = 0.00000180

1.80 x 10-4   = 0.000180 (bigger, or "less small", than the former one)

so

1.8 x 10-2       = 0.0180. as you see. the "less small", or the biggest one of them all.

as you have negative exponent, it means you are dividing 1.8 by 100 (i.e. moving the dot towards left, two times).

if you had positive exponent for the scientific notation, power of tenths, you would be multiplying times 100 (moving the dot towards right) as below:

1.8 x (10)2 = 180

so. if you have negative exponent in scientific notation, move the dot toward left. if it is positive, toward right as many times the exponent tells you.

we have three similar triangles, because each has a right angle and shares an angle.   let's write the angles in order: opposite to short leg, long leg, hypotenuse.

cab similar to bad similar to cbd

or as ratios,

ca: ab: cb = ba: ad: bd = cb: bd: cd

we also know

ac = ad + cd

(ad+cd): ab: cb = ba: ad: bd = cb: bd: cd

(ad+cd)/cb=cb/cd

we have cb=6, ad=5 and seek x=cd.

we reject the negative root and conclude x=4

answer: 4