Ascientist was interested in studying if students beliefs about illegal drug use change as they go through college. a scientist randomly selected 104 students and asked them before they entered college if they thought that illegal drug use was wrong or o. k. four years later, the same 104 students were asked if thought that illegal drug use was wrong or o. k. the scientist decided to perform mcnemar's test. the data is below. are the assumptions met? after college before college o. k. wrong o. k. 4 17 wrong 18 65

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.

the solution, from the graphing of the two lines, is (3,2), i.e., x = 3, y = 2.