B^n+5
When multiplying exponents the numbers are added
1.2 meters = 120 centimeters
amount of increase = 120-80 = 40 centimeters
40 ÷ 80 = 0.5 = 50%
There was a 50% increase.
Answer:

Step-by-step explanation:
we are given
sequence is geometric
so, we can use nth term formula

we have


we have to find a9
so, we can plug n=9
we get



One number is six times as large as a certain smaller number.
i.e., Y = 6x
Answer is 6x
Answer: 138
Step-by-step explanation: