Evaluate x^4 • x^-1 when x = 4

Write the converse of the following statement: if the trees have no leaves, then it is fall. if the trees have no leaves, then it is fall. the trees have no leaves, therefore it is fall. it is fall since the trees have no leaves. if it is fall, then the trees have no leaves.

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

On a piece of paper graph f(x)=5•(0.4)^x