Question

Conversion
http://prntscr.com/3v19mk

Answer 1

can you just verify the answers and method

Answer 2

@ganeshie8

Answer 3

where is your work ?

Answer 4

i cant give pic of this one that will awfully lot of them

Answer 5

but i can give answers

Answer 6

you may verify your work with wolfram

Answer 7

for first question answer is
135
235
252
13

Answer 8

http://www.wolframalpha.com/input/?i=base+2+to+base+10++10000111

Answer 9

check them with wolfram ^

Answer 10

use these examples if you're not sure of ur working out: http://mathbits.com/MathBits/CompSci/Introduction/tobase10.htm

Answer 11

for second
1111001
111000
1111001000
10000110

Answer 12

looks they're right, but again checking all your answers is very painful.
you verify them with wolfram, okay ?
http://www.wolframalpha.com/input/?i=base+10+to+base+2++121