Answer:
option C:
550
Explanation:
the given number has base 8 it means it is an octal number,
to convert an octal number in the base 10 we start from the right most digit and multiply all the digits with power of 8 gradually and at the end add all of them.
i.e. 1046₈ in base 10 will be converted as,
1 * 8³ + 0 * 8² + 4 * 8¹ + 6 * 8⁰
= 512 + 0 + 32 + 6
= 550
thus, option C is the correct answer