Given the following geometric sequence, find the common ratio. {0.45, 0.9, 1.8, ...}

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(1) Answers

monicabaugh

0.45 times what=0.90?
seems to be 2
for
[latex]a_n[/latex] and [latex]a_{n+1}[/latex], (1 term and the next)
common ratio=[latex] \frac{a_n}{a_{n+1}} [/latex]
0.45 and 0.9
0.9/0.45=2
common ratio is 2