Represent the geometric series using the explicit formula. 2, −8, 32, −128, … f(n) = 2 ⋅ (−4)^(n−1)
f(n) = 2 ⋅ (4)^(n−1)
f(n) = f(n − 1) ⋅ (−4)
f(n) = f(n − 1) ⋅ (4)

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.

twenty-six miles over two gallons because the proportion for the original 13 miles to one gallon would be written 13/1 and, doing the same thing to the top and bottom, i multiplied by 2 and got 26/2

there would be 162.15 calories in this cereal.

step-by-step explanation:

38 was the other number of your question.