a) For 549/10000, the decimal form is obtained by dividing the numerator by the denominator:
549/10000=0.549
Type of decimal expansion: Finite.
b) 137/25
137/25= 5.48
Type of decimal expansion: Finite.
c) 0.77777...
This is a repeating decimal expansion that can be represented as 0.7.
d) 12.32323232...
This is a repeating decimal expansion that can be represented as 12.32.