Express \(413_7\) to base 5

A.

\(2311_5\)

B.

\(1131_5\)

C.

\(1311_5\)

D.

\(2132_5\)

Correct answer is C

\(413_7\) to base 5 

convert first to base 10

\(417_7 = 4 × 7^2 + 1 × 7^1 + 3 × 7^0\)
= 4 × 49 + 1 × 7 + 3 × 1
= 196 + 7 + 3

= \(206_{10}\)

convert this result to base 5

5 206
5 41R1
5 8R1
5 1R3
  0R1

\(∴ 413_7 = 1311_5\)