Two cooks purchased plates and cups at the same store. the first cook bought 4 plates and 5 cups for a total of $25.25. the second cook bought 7 plates and 3 cups for a total of $25.50. what is the price of a plate? enter your answer in the box.

i think the answer is .36

step-by-step explanation:

what i did was only 2.88 divided by 8

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 answer is $42.96

step-by-step explanation: