Brian deposited 1 cent into an empty non-interest bearing bank account on the first day of the month. He then additionally deposited 3 cents on the second day, 9 cents on the third day, and
27 cents on the fourth day.
a) Assuming this pattern continues, write a geometric series formula, sy, for the sum of the first
n terms
b) What would be the total amount of money in the account at the end of the 20th day if the
pattern continued?

the surface area is 124cm²

step-by-step explanation:

length: 4cm

width: 9cm

height:   2cm

there is no points to select.

step-by-step explanation:

sample answer: you can determine whether each element of the domain is paired with exactly one element of the range. for example, if given a graph, you could use the vertical line test; if a vertical line intersects the graph more than once, then the relation that the graph represents is not a function.