LESSON

PRACTICE EXERCISE

ANSWER KEY AND FEEDBACK

Item

Correct Answer and Feedback

1.

8

3, repres. by 7 x103

2.

one (8 x 101)

3.

zero (7 x 100)

4.

5.

The number after 7 in the octal system is written as 10. It has the same value as

the base ten value 8, but since 8 is not included in the octal system, it must

proceed to the lowest 2-digit number, or 10.

6.

1510 is the value of the highest single-digit number in the base 16, or

you could have answered "F', which is the usual hexadecimal notation for the

value 1510. You could also have written ">F" or "Fh", which are both common

ways of showing that F is in the base 16 numbering system.

7.

1008

8.

a.

5648

b.

13528