Question

what is the next number in the geometric sequence -3.42,10.26,-30.78,92.34

Answer 1

Notice how

\[\Large \frac{10.26}{-3.42} = -3\]

\[\Large \frac{-30.78}{10.26} = -3\]

\[\Large \frac{92.34}{-30.78} = -3\]

So you're multiplying each term by -3 to get the next term.