b. 78
d. 214
P2-12. Change the following decimal numbers into binary using the alternative method
discussed in Example 2.18, showing your work:
a. 358
c. 4 1364
=
O
b. 12 3/32
d. 12 57128
P2-13. In a positional number system with base b, the largest integer number that can be
represented using k digits is ble – 1. Find the largest number in each of the following
systems with six digits.
a. Binary
c. Hexadecimal
b. Decimal
d. Octal
P2-14. Without converting, find the minimum number of digits needed in the destination
alodine system for each of the following cases:
a. Five-digit decimal number converted to binary.
19 din
b. Four-digit decimal converted to octal.
c. Seven-digit decimal converted to hexadecimal.