Flower series

Every day, the flower develops two new flowers, and each of these new blossoms also bears two flowers each day. After eight days, how many blooms are already present in the garden?

Correct answer:

n =  511

Step-by-step explanation:

q=2 n=8=511  a1=1 a2=q a1=2 1=2 a3=q a2=2 2=4 a4=q a3=2 4=8 a5=q a4=2 8=16 a6=q a5=2 16=32 a7=q a6=2 32=64 a8=q a7=2 64=128 a9=q a8=2 128=256  n=a1+a2+a3+a4+a5+a6+a7+a8+a9=1+2+4+8+16+32+64+128+256=511



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