Question

im1 mini quiz 07: exponential fun...

1. study the pattern for the following geometric sequence, and write down the next two terms.

5, 15, 45, □, □

Explanation:

Step1: Find common ratio

$r = \frac{15}{5} = 3$

Step2: Calculate 4th term

$45 \times 3 = 135$

Step3: Calculate 5th term

$135 \times 3 = 405$

Answer:

135, 405