Final answer:
To convert base ten numerals to base sixteen, divide the number by 16 and convert the remainders to hexadecimal digits.
Step-by-step explanation:
To represent base ten numerals in base sixteen, you need to convert each digit separately. Here's how you can convert the given base ten numerals to base sixteen:
a. 25 in base ten is equivalent to 19 in base sixteen. This is because 19 is obtained by dividing 25 by 16, resulting in a quotient of 1 and a remainder of 9.
b. 100 in base ten is equivalent to 64 in base sixteen. This is because 64 is obtained by dividing 100 by 16, resulting in a quotient of 6 and no remainder.