Question

Pls help me, thankyuu❤️​

Answer 1

1. 3, 12, 48, 192, 768 Ratio: x4

2. 8, 16, 32, 64, 128 Ratio: x2

3. 120, 60, 30, 15, 7.5 Ratio: ÷2

4. 5, 10, 20, 40, 80, 160 Ratio: x2

5. 1.3?, 4, 12, 36, 108, 324 Ratio: x3

Hope this helps!

I'm not sure about the first one on question 5 though.