Lesson 8
Octal Arithmetic
The sum gets a bonus
Page 277
Either you made a mistake in arithmetic or you multiplied the entire first product by 128 instead of multiplying only the fractional part. The way it should look is:
.2568
× 128
1st partial products →
.5348
→
2.568
1st complete product →
3 .3148
multiply the .314 only by 128 →
× 128
2nd partial products →
.6308
→
3.148
Now, sum the second partial products. The integral part of the sum will be the second digit in the decimal equivalent of .2568 .
Return to Page 262 and choose the right answer.
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