Evaluate $(16 \times 29) \pmod{7}$.
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → 2
$16 \equiv 2 \pmod{7}$
$29 \equiv 1 \pmod{7}$
$∴16 \times 29 \equiv (2 \times 1) \pmod{7}$
$\equiv 2 \pmod{7}$
$∴16 \times 29 \equiv 2 \pmod{7}$