Question

pls answer this 8th question​

Answer 1

Answer:

Step-by-step explanation:

1+2+4+8+16+32+64+128+256+512

=1023

Answer 2

when X =2

$1 + \: 2 + {2}^{2} + ..... + {2}^{9}$
nice explaination is :-

1+2+4+8+16+32+64+128+256+512 =1023
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b) 1023 is the answer
mark me the brainliest