Answer:
option B:
178
Explanation:
the number given is in quinary base system or base 5,
to convert the number into base 10 we will start with the right most digit multiply it with 5 raise to the power 0, 1, 2 or so on until the number ends and then add all of them.
1203₅ will be represented in base 10 as,
1 * 5³ + 2 * 5² + 0 * 5¹ + 3 * 5⁰
= 125 + 50 + 0 + 3
= 178
thus, 1203₅ will be represented as 178 in base 10