What answer describes this sequence?

99, 89.9, 78.8, 68.7, ...

a) Neither arithmetic nor geometric

b) Both arithmetic and geometric

c) Arithmetic

d) Geometric

Question

Kaylie Chambers

Mathematics

9 January, 06:33

What answer describes this sequence?

99, 89.9, 78.8, 68.7, ...

a) Neither arithmetic nor geometric

b) Both arithmetic and geometric

c) Arithmetic

d) Geometric

+2

Answers (2)

Know the Answer?

Kallie Macias · Answer 1

A) Neither arithmetic nor geometric

Harley Wells · Answer 2

A) Neither arithmetic nor Geometric

Explanation:

Since 99-89.9 = 9.1, and 89.9 - 78.8 = 11.1, the sequence is not arithmetic.

Like wise 89.9/99=0.908 and 78.8/89.9 = 0.876 makes it not a geomtric sequence

What answer describes this sequence?99, 89.9, 78.8, 68.7, ...a) Neither arithmetic nor geometricb) Both arithmetic and geometricc) Arithmeticd) Geometric

What answer describes this sequence?

99, 89.9, 78.8, 68.7, ...

a) Neither arithmetic nor geometric

b) Both arithmetic and geometric

c) Arithmetic

d) Geometric