How many times as many circles will there be at stage 21 compared to stage 20

Answer:[tex]2^{10}\ circles[/tex]
Step-by-step explanation:
Given
Stage 20 has [tex]2^9[/tex] circles
Considering at each consecutive stage circle doubles itself
So at stage 21, there will be [tex]2\times 2^9=2^{10}[/tex] circles