1 Answer

Krishna Nigalye · Answer 1 · 2023-12-13T17:16:41+0000

We have the next numbers

as we can see we have double of the previous number, so the rule is

$a_n=a_(n-1)\cdot2$

we need to prove the rule

$a2=7\cdot2=14$
$a3=14\cdot2=28$
$a4=28\cdot2=56$

as we can see the rule is appropriate for the geometric sequence

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