Question

A boy save Rs.1 on the first day. Rs.2 on the second day. Rs.4 on the third day and so on . How much did the boy will save up to 20 days ?___(a)2power 19+1 (b) 2power 19-1 (c)2 power 20-1 (d) power 21-1​

Answer 1

Answer:

i dont no this ans

Step-by-step explanation:

hope it help u

Answer 2

Answer:

hope so it helps u thank u for giving chance to answer ur question