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Mathquestion 80,-40,20,-10 with formula

Sagot :

Step-by-step explanation:

No.. its not

Explanation:

The sequence

80

,

40

,

20

,

10

,

5

,

...

is formed by division i.e.

80

2

=

40

,

40

2

=

20

,

20

2

=

10

...

.

And, their common ratio is

2

, as

80

40

=

2

,

40

20

=

2

,

20

10

=

2

...

.

Therefore this sequence is geometric .