Question

Can someone help me with this question?​

Answer 1

Explanation:

`u_1=1=2^0\\u_2=2=2^1\\u_3=4=2^2\\u_4=8=2^3\\\\...\\u_(64)=2^(63)\\\\we\ must\ calculate\\\\u_1+u_2+u_3+u_4+...+u_(64)\\\\=1+2^1+2^2+2^3+2^4+....+2^(63)\\\\=(2^(64)-1)/(2-1) \\\\=2^(64)-1\\\\=18446744073709551615\\\\=1.8446744073709551615*10^(19)`

Answer 2

128 grains.

I think so..

Explanation:

SEE the image for solution.

HOPE it helps

Have a great day