Look at the sample work below.
2 answers:
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This is pretty obviously
If it wasn't obvious we can find the common ratio r by dividing successive values:
5/1=5
25/5=5
125/25=5
625/125=5
That's the common ratio. We multiply by the first term, but the first term is one, so that has no effect.
If it wasn't obvious we can find the common ratio r by dividing successive values:
5/1=5
25/5=5
125/25=5
625/125=5
That's the common ratio. We multiply by the first term, but the first term is one, so that has no effect.