Homework Help: Math

Posted by John on Sunday, August 7, 2011 at 8:09pm.

Can you please explain step by step on how to do each of these two problems below? And then tell me whether it involves an arithmetic sequence or a geometric sequence I also need to show the work on both problems thank you.

Perform the indicated operations

1010 two × 101 two

A25 sixteen × 4 sixteen

Math - bobpursley, Sunday, August 7, 2011 at 9:30pm
http://en.wikipedia.org/wiki/Binary_numeral_system

IN this, it is easy by shifting registers, one of the great advantages of binary.

1010 x 101= 1010+101000 and add

110010 (check the add, I did it in my head.)

a25x

base 16

a25
x 4
________________

4x5 = 20= 16+4 or 14
4x2=8
4xA=40=2x16+8 or 28

now add
2800
++80plus signs are inserted to line up
++14
____
total 2894 check that.

http://www.csgnetwork.com/hexmultdivcalc.html

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