3 years ago

Find a formula for a geometric sequence that begins with 7, 35, 175,...

Mathematics

2 answers:

Svetllana [295]3 years ago

4 0

Answer:

○ b. $\displaystyle b_n = 7(5)^{n - 1}$

Step-by-step explanation:

The original term is "7", the common ratio is "5", and finally, you set the exponent to the power of "<em>n</em><em> </em>- 1".

I am joyous to assist you anytime.

alisha [4.7K]3 years ago

3 0

a = 7

r = 35/7 = 5

a × r^(n-1)

7 × 5^(n-1)

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Find a formula for a geometric sequence that begins with 7, 35, 175,...​

Find a formula for a geometric sequence that begins with 7, 35, 175,...